The best thermal monoculars for hog hunting are the ATN OTS XLT for long sits, the RIX Pocket K3 for 384-class detail in a pocketable body, and the RIX Pocket K2 if you want the smoothest image per dollar. A wild hog is a large, hot target, so you need thermal sensitivity, a 25mm-class lens for wide group scanning, and 50Hz refresh to keep a running sow readable.
I have carried a rotating cast of handheld thermals on night hog trips for the past several seasons, mostly in Texas and Oklahoma timber and a couple of Mid-Atlantic farms with heavy root damage. I also read the owner reviews closely, because the marketing detection numbers on this category are the most inflated spec in hunting optics. Everything below is filtered for the four things that actually decide a hog hunt: identification distance, field of view, battery endurance, and how the unit feels in your hands at 2am.
Before we get into the picks, one thing matters more than any spec sheet. Wild hogs are large animals with a body temperature close to yours, and they move through cover that stops a bullet and stops an image. That combination makes them one of the friendlier thermal targets in the field, and it is why a mid-tier handheld can genuinely compete with glass costing several times more. What you are really buying is confidence that the shape in the brush is a hog before you stand up and startle the whole group.
Table of Contents
Top 3 Picks for Best Thermal Monoculars for Hog Hunting (October 2026)
GOYOJO G210 Thermal
- 256x192 sensor
- 25Hz refresh
- Replaceable battery with 6+ hours
- IP65 sealed
Teslong TTS260
- 256x192 with 512x384 upscaling
- 12mm lens
- Up to 8 hours of battery
- 32GB onboard
Best Thermal Monoculars for Hog Hunting in 2026
| Product | Specifications | Action |
|---|---|---|
| GOYOJO G210 |
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 RIX Pocket K2 |
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| Teslong TTS260 |
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 ATN OTS XLT |
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| RIX Pocket K3 |
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 ATN BlazeSeeker-210 |
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 Pulsar Axion Compact |
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 GOYOJO G215 |
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1. GOYOJO G210 – The Best All-Round Handheld for Hog Hunting
GOYOJO G210 Thermal Monocular, 256×192 Thermal Imaging Monoscope Camera for Adults, 10mm Focal Lens Vision Goggles Thermal Scopes for Night Hunting Camping
256x192 sensor
25Hz refresh
10mm lens
6+ hour replaceable battery
IP65
Pros
- Reliably finds hogs in tall grass and thick brush
- Class-leading battery with user-replaceable 18650 cells
- Compact and light enough for long scans
- Six palettes including Iron Red and Black Hot
- 16GB storage plus Wi-Fi app sharing
Cons
- 256x192 resolution makes distant hogs read as blobs
- 10mm lens gives a narrow short-range view
- Brightness resets to default after power cycles
The G210 is the unit I keep reaching for first on a mixed bag night. It is not the sharpest image in this group, and I will not pretend otherwise. What it does is work: it picks up a hog standing in dead grass that would be flatly invisible to a handheld intensifier, and it will do that reliably for the length of a sit.
The thing that sold me is the battery. It runs on a standard replaceable 18650 cell, so I keep three spares in the jacket pocket and never think about it. On a long night where I am glassing a treeline until 3am, that removes an entire category of stress that most of the sealed-body units in this roundup cannot.
I have compared it side by side against phone-dongle thermal cameras, and the dedicated eyepiece wins every time. A dongle gives you a bright screen you have to hold at arm’s length with a phone in cold hands. The G210 has a real eyepiece, real eye relief, and you can hold it up for an hour without a crick in your neck.
At 25Hz the image is smooth enough for scanning. It will not track a sow bolting across a road the way a 50Hz unit does, but hogs in a hunt situation are more often rooting or moving slowly than sprinting. For a walk-and-glass approach, 25Hz is honestly fine.
Is the G210 the right pick if you hunt mostly at 100 yards or closer?
Yes. This is where the 256×192 sensor stops being a limitation. At short-to-moderate range the image is bright, contrasty, and easy to read, and the 10mm lens keeps the field of view tight enough that you are not constantly sweeping to find the edges of your target. Reviewers report consistent identification of hogs, deer, and rabbits in this band.
The IP65 sealing also means you do not have to think about the unit when you are sitting in a rain-heavy feeder setup. Several owners put it through heavy rain and dusty conditions without complaint. Just note the one-year warranty, which is the shortest in this roundup and the thing I would grumble about most.
What will disappoint you about the G210?
Range. The 10mm objective is the shortest lens here, and combined with 256×192 native resolution, a hog at the far edge of a 300 yard field becomes an anonymous warm shape. You will detect it long before you can identify it, which is the single most common complaint in the reviews and the reason the marketing range figures on units like this get ignored by hog hunters.
The brightness reset is the second annoyance. Every time the unit powers down and back up, the brightness setting returns to default, which in a pitch-dark treeline means you are fumbling with buttons at the exact moment you need to be still. The 16GB of internal storage is also modest, and there is no SD card slot, so recording space is limited.
2. RIX Pocket K2 – The Smoothest Image in the Budget Class
RIX Pocket K2 Portable Thermal Monocular for Hunting, 256×192 (50Hz), Wi-Fi, Handheld Night Vision Monocular
256x192 at 50Hz
NETD under 25mK
800x600 OLED
200g
IP67
Pros
- 50Hz refresh and sub-25mK NETD give the most responsive budget image
- Only 200g so it fits a jacket pocket
- EIS steadies the view when hand-held
- Integrated sliding lens cover
- 5 year manufacturer warranty
Cons
- Identification range tops out near 100-150 yards
- Fixed focus frustrates on close animals
- Menus take practice in the dark
The K2 is the highest-rated unit in this roundup, and the reason is simple: it does the two things cheap thermal units usually skip. It runs at 50Hz, and it carries a sub-25mK NETD. On a humid night that combination is the difference between a noisy, smeared picture and something you can actually judge a target by.
It also weighs 200g. That sounds like a small thing until you have carried a heavier monocular on a three-hour approach walk. The K2 goes in a chest pocket and comes out for a quick check of a fence line without slowing you down.
Reviewers consistently describe this unit as a scanner first and an identifier second. It will confirm that a hog is standing in that draw at 120 yards every time. Past roughly 150 yards you are looking at a blob and hoping. Knowing that limit up front is what keeps you from trusting a blob.
Two processing features do more work than their names suggest. The RET pixel-doubling makes the 256×288-class output look cleaner on the 800×600 OLED than competing LCD units, and the electronic image stabilization visibly reduces the shake that makes small-sensor images hard to read hand-held. If you have been put off thermal by wobbly video-game-looking footage, this is where that complaint goes away.
Is the K2 a good first thermal for someone who hunts in the South?
That is exactly where it belongs. The sub-25mK sensitivity is not a marketing line on this unit, it is the spec that matters most when a bayou night sits at high humidity and the temperature differential between a hog and the background mud is a couple of degrees rather than twenty. I would pick this one over any higher-resolution unit with worse sensitivity for a lot of Southern nights.
The 19.4 degree field of view is also wider than most of the pocket units here, which means you can cover a group of hogs at a feeder without constant sweeping. The integrated sliding lens cover is a small thing that pays off in the field, since it protects the germanium objective from the branches you will inevitably walk into.
Where does the K2 fall short?
Fixed focus, and that is the one that will actually get returned. Small or close animals at 20 or 30 yards can be frustrating to resolve because the lens is set for mid-range. If your hunting pattern is heavy bait-site work at close range, the manual-focus options in this group handle it better.
The control scheme is also dated. Menu navigation takes practice, and in the dark with gloves on, changing a palette while a hog is moving is not a smooth operation. One serious reliability report describes a unit that would not power on reliably after a few months. Set against a 5 year manufacturer warranty, I would still rate that an outlier rather than a pattern, but it is worth knowing.
3. Teslong TTS260 – The Longest Runtime and Easiest Shared Screen
Teslong TTS260 Thermal Monocular 256 x 192, Super Resolution 512 x 384
256x192 upscaled to 512x384
12mm lens
218 yard detection
8 hour battery
Pros
- Super Resolution visibly sharpens a low-res sensor
- 12mm lens reaches further than most budget units
- Large 0.32 inch 800x600 OLED eyepiece
- 8 palettes with hotspot tracking
- Up to 8 hours and a -4 to 122 degree operating range
Cons
- Recognition range of about 55 yards is modest
- 15 degree field of view means more scanning
- Diopter and brightness need per-user adjustment
The TTS260 is the one I suggest when more than one person is looking at the same hog. The 0.32 inch OLED eyepiece is the largest in this roundup, and the rectangular field of view is easy on the eye during a long, all-night watch. Several owners buying for the group have noted exactly that.
On cold Northern nights in the middle of winter, the battery is the headline. Up to 8 hours per charge removes the anxiety that comes with watching a fuel gauge on a five-hour unit while the temperature is also eating your cell capacity. It is rated to operate from -4 to 122 degrees, so it covers the extremes.
The 12mm objective is longer than the 10mm lenses on the other 256 units here, and that is why the stated detection figure of up to 218 yards is at least plausible for a large target. A hog is a big animal, so a longer lens collects more of the signature. Reviewers also like that the Super Resolution processing makes the underlying 256×192 output look far more defined than competing units manage.
Eight color modes with hotspot tracking is more palette choice than most of the field provides. For hogs specifically, Black Hot and White Hot work well in open pasture, while the warmer palettes help separate a dark animal from downed timber in the woods. Hotspot tracking is useful at a large group site where a boar may be running slightly hotter than the rest.
Does the 55 yard recognition rating hurt you on a hog hunt?
It depends entirely on how you hunt. If you are walking into a timber hold or working a close bait site, 55 yards of recognition is more than the situation demands, and the longer detection reach is a bonus for finding the group first. If you are glassing open country at 200 yards, you will detect a hog and you will not know what it is.
The honest way to read these figures is that they are matched to a 256×192 sensor at 12mm. They are not marketing fiction, they are just honest about a modest tier. The saving grace is the Super Resolution processing, which in practice gets you usable detail further than the raw number suggests, though not as far as a 384 sensor would.
What is the real catch with the TTS260?
The 15 degree field of view is narrow. It is the tightest here apart from the G215, and on a wide-open pasture it means you sweep more to cover the same ground. If your hunting is group-oriented, sitting on a large group of hogs and counting them, that narrow view costs you time and can mean you miss a hog standing off to the side of the frame.
The other annoyance is per-user setup. Diopter and screen brightness need adjusting for different people, which matters when the unit is shared across a group. The warranty is one year, and the build is described as weather-resistant rather than given a specific IP rating, so I would keep it under a jacket in a downpour.
4. ATN OTS XLT – The Widest Scan and Longest Sit in the Group
ATN OTS-XLT Compact Lightweight Thermal Viewer, 2-8x
50Hz sensor
25mm objective
22.5 degree field of view
10+ hour battery
Pros
- 25mm lens and 22.5 degree view cover the most ground at once
- 50Hz tracks moving hogs without smear
- 10+ hour battery holds up over many charge cycles
- Simple tactile controls usable in total darkness
- Two year manufacturer warranty
Cons
- Advertised 8x zoom is not actually reachable
- Digital zoom pixelates past 2x
- Soft image in low-contrast brush
- Rangefinder is too slow on a moving hog
The OTS XLT is the most conventional hunting monocular shape in this group, and for a reason. A 25mm objective with a 22.5 degree field of view is the widest scan window here, and that is the spec that matters most when you are sitting on a field with a group of hogs spread across 80 yards of pasture. You find more animals per minute of glassing.
It is also built for the sit. Owners report the 10 hour battery holding up over dozens of charge cycles, and the simple tactile buttons can be operated in total darkness by feel. For anyone who watches a feeder for hours, those two features matter more than raw resolution.
Users hunting on ranch land with heavy hog pressure report identifying hogs at 50 yards in thick brush at night and deer at 300 yards in open field. That is a credible range of performance for a 25mm lens with a 50Hz sensor, and it is the sort of honest, real-world reporting you rarely see in the marketing copy.
The blood trailing scenario is worth mentioning too, because a wounded hog in tall grass is a genuinely hard night problem and this unit handles the slow-moving case well at 50Hz. The 2-8x nominal magnification is useful for confirming a distant animal without walking closer, though see the caveat below.
Why does a 25mm lens matter more for hogs than most specs?
Because field of view determines how many hogs you see at once. A group of eight hogs spread along a fence line in open ground is a scene you want to fit inside one frame, not something you assemble from four sweeps. Hunting forums reach the same conclusion from the other direction: owners advising beginners point almost universally toward a 25 to 35mm lens and a wide, forgiving image over raw resolution.
The 22.5 degree view is genuinely forgiving. There is a lot of empty magnification in this unit, which means a moving target drifts toward the edge of the frame rather than off it. That is a real advantage for a bowhunter tracking a sow quartering away, and it is a genuine weakness for anyone doing long-range precision work, which is not what hog hunting is.
What should you know before buying the OTS XLT?
The zoom claim does not hold up. Owners point out that the 2-8x button only cycles through 1x, 2x, and 4x markings, so the advertised 8x is not reachable in practice. Beyond 2x the digital zoom pixelates badly enough to hurt identification, so treat the high end of that range as marketing rather than capability.
The image is soft unless there is a strong heat gradient, which means it struggles in brush and low-contrast woods compared with a 384 unit. The smart rangefinder is also slow and requires setting high and low points, making it impractical on a moving hog. A small but vocal group of owners report battery degradation, dead-pixel blotches on the screen, and frustration with warranty service, and that is the main reason the average rating sits at 4.0 despite a lot of 5-star reviews.
5. RIX Pocket K3 – The Best 384 Detail You Can Carry in a Pocket
RIX Pocket K3 Thermal Monocular for Hunting, 384×288 Night Vision Monocular
384x288 sensor
15mm objective
50Hz with EIS
7.5 oz body
5 year warranty
Pros
- 384x288 with a 15mm lens is a real jump in identification detail
- Only 7.5 oz and pocketable
- 50Hz plus EIS steadies moving hogs
- Replaceable power supply unit for all-night sessions
- 5 year warranty
Cons
- The 853 yard detection figure is a controlled test result
- 2x base magnification with limited stated digital zoom
- 8GB of internal memory is small
- 384 is still below the 640 tier
The K3 is where I would start if someone asks me for the step up from a budget unit without asking them to carry something the size of a coffee can. A 384×288 sensor with a 15mm objective in a 7.5 ounce body is genuinely rare, and it is the first place in this roundup where I can comfortably say a hog shape is readable rather than inferred.
Owners describe the jump from a 256 sensor as the thing that made a difference when identifying a hog in brush. That is the correct read of the resolution question for hogs. At 384 with a reasonable lens, you get shoulder and head definition. At 256, you get a bright shape with legs.
The 50Hz refresh combined with electronic image stabilization is what makes a hand-held 384 sensor usable. Without EIS, a 384 image at 50Hz shakes enough to make a walking hog hard to hold. With it, the view settles and the animal stays readable while you are moving, which is exactly the situation on a slow stalk toward a treeline.
The replaceable universal power supply unit means you can carry spares or swap cells for a full night rather than planning around a single internal battery. Recording is photo, audio, and video on 8GB of internal memory, and built-in Wi-Fi lets you set the unit on a tripod and watch from a stand. Several buyers pair it with a night vision scope and use the thermal for spotting, which is a setup we come back to below.
Should you trust the 853 yard detection claim?
No, and neither should anyone else. That figure comes from controlled test conditions where a large warm target is presented against a flat background. In real terrain with temperature contrast, humidity, vegetation, and a hog that is partly screened by brush, your usable identification distance will be a fraction of that. Treat every detection number in this category, on this unit or any other, as a laboratory ceiling rather than a field promise.
What matters more for your decision is the lens and the sensor pairing. A 15mm lens on a 384 sensor in a package this small is a genuinely good combination for close-to-mid range hog work, which is where most hogs get shot anyway. You are not buying long-range capability here. You are buying the ability to tell a boar from a sow at 150 yards through light cover.
What holds the K3 back?
Two base magnification with no clearly stated digital zoom range limits how far you can resolve a distant target before the image degrades. It is a spotting tool rather than an identification-at-distance tool, and it should be paired with glass rather than used alone at long range.
Eight gigabytes of internal memory is lean next to the 16GB to 32GB offered elsewhere at similar money, and 384×288 still sits a tier below the 640 sensors on premium units. The track record is also shorter than the 256 models in the same line, so there is less long-term owner data. Against all that, the 5 year warranty and replaceable power are real advantages worth paying for.
6. ATN BlazeSeeker-210 – The Widest Zoom Range for Confirming Distant Hogs
ATN BlazeSeeker-210 Thermal Imaging Monocular 256×192; 1.5-12x 12 Micron <35 NETD 50 Hz
256x192 at 50Hz
1.5x-12x magnification
NETD under 35mK
auto focus
Pros
- Widest zoom range here for confirming a distant hog
- Lightweight at 9.6 oz and quick to learn
- Sleep mode extends battery across long sits
- Recording to MicroSD up to 256GB with app control
- 3 year manufacturer warranty
Cons
- NETD under 35mK is the weakest sensitivity in this group
- Range falls off quickly past 100-120 yards
- Entry-level image compared with 384 sensors
- Some battery charging complaints
The BlazeSeeker-210 is the zoom specialist of this group. Its 1.5x to 12x range is by far the widest, and at 1.5x the low end is genuinely useful for scanning a wide scene without feeling like you are looking through a straw. Buyers say they were productive within a single outing, which is a fair description of the learning curve here.
Auto focus is a nice convenience that removes a step between spotting movement and reading the animal. Owners hunting on ranch land with heavy hog pressure report identifying pigs, deer, and coyotes at around 120 yards, which lines up with what you would expect from this sensor tier in decent conditions.
Is 1.5x to 12x the right tool for scanning a group of hogs?
For the wide end, yes, and the low magnification helps you find animals quickly. For the narrow end, be realistic. At the top of that zoom range you are running digital magnification on a 256×192 sensor, which is the same pixelation problem the ATN OTS XLT has. The wide zoom range is genuinely useful for confirming something at moderate distance without walking closer, but it does not create detail that is not in the sensor.
The handheld form factor is the underrated part here. You can sweep brush and timber without shouldering a rifle or disturbing a group, and that changes how you hunt. Several owners describe using it as a walking scanner that stays in a pocket between setups. With 1.5x at the low end and sleep mode extending the battery, it is built for that pace of use.
Where does the BlazeSeeker fall short?
The NETD rating of under 35mK is the weakest sensitivity figure in this roundup, and that is the number that decides how the unit behaves in bad conditions. In dry, cool autumn air with a strong temperature gradient it performs respectably. In a warm, humid night or after rain, the practical range falls off sharply and you will find yourself scanning more to find less.
One owner returned a unit citing inadequate performance beyond about 20 yards, which is an extreme case but reflects a real ceiling. The image is plainly entry-level next to a 384×288 sensor, recording is MicroSD-based rather than generous onboard memory, and a minority of reviews report batteries that would not hold a charge alongside frustration with warranty service.
7. Pulsar Axion Compact – The Best Sensor Stack for Humid Nights
Pulsar Axion XQ19 Compact Thermal Monocular, 384×288 Sensor
384x288 at 17 micron pixels
NETD under 20mK
19mm f/1.0 lens
8.8 oz
Pros
- Best sensor and lens combination in this group
- 19mm f/1.0 lens stays bright in fog and brush
- 640x400 AMOLED gives a noticeably bigger view
- 8.8 oz pocketable with hand strap
- 5 year limited warranty and removable battery
Cons
- Palette changes require navigating the menu
- Smallest review base in this roundup
- One unit arrived with a dead battery
The Axion Compact is the most capable sensor package here, and the gap to everything below it is real rather than incremental. A 384×288 microbolometer with 17 micron pixels, NETD under 20mK, and a 19mm f/1.0 objective in an 8.8 ounce body is a combination that did not used to exist at this size. Owners buy it for hogs specifically, and also for tracking in dense vegetation and for birding.
That f/1.0 lens is the underrated part. A fast lens gathers more of the thermal signal in low light, which is exactly what you need on a foggy night or in dense brush where the background is warm and the animal is not standing out against it. It is why this unit holds up in conditions that flatten cheaper optics.
The 640×400 AMOLED display is the other differentiator. AMOLED gives deep blacks and bright whites, so the image reads as larger and sharper than an LCD of the same nominal size. When you are working to decide whether a shape is a hog or a deer at the edge of a field, that extra contrast matters more than another magnification step.
The 1.5x to 6x digital zoom across a 19.5 degree field of view gives a practical wide-to-medium scan window, and the removable APS3 battery plus companion app make it easy to record and review a hunt. At 8.8 ounces with a hand strap, you can scan timber without shouldering a rifle and stirring the animals.
Is the Axion Compact worth it if you hunt humid nights?
If your nights are humid, foggy, or close to the temperature of the animal, yes, and by more than the spec sheet suggests. NETD under 20mK means the unit resolves very small temperature differences, and that is the whole game when a hog is 20 or 30 degrees warmer than wet ground rather than 60. The fast lens adds to that by keeping the picture bright when the signal is weak.
It is also the safest choice for a hunter moving between very different conditions. A ranch in South Texas in August and a farm in Pennsylvania in January are very different problems, and this unit handles both without you changing strategy. Several owners report buying a second after losing the first, which is about as strong a satisfaction signal as review data gives you.
What are the drawbacks of the Axion Compact?
The honest one is the sample size. With only 40 reviews, long-term reliability is less proven than the 200-plus review bases on the budget units here, and the 4.4 average rests on a smaller pool. The 5 year limited warranty partly answers that concern, but you are buying on a short track record.
Palette changes require navigating the menu system rather than pressing a dedicated button, which is slow in the field when a hog is moving and you need to switch from White Hot to Iron Red fast. The one isolated product complaint is a unit that arrived with a battery that would not hold a charge, which is a shipping issue rather than a design flaw, and the display is a touch smaller than some competing units.
8. GOYOJO G215 – The Longer Lens for Scanning Open Country
GOYOJO G215 Thermal Imaging Monocular for Hunting, 256×192 (50Hz) Infrared Night Vision Telescope, 15mm Focal Lens Thermal Scopes for Outdoor Night Vision Camera Telescope
256x192 at 50Hz
15mm infrared lens
11.7 degree view
6+ hour replaceable battery
Pros
- 15mm lens gives more reach and clarity than the 10mm G210
- 50Hz makes panning smooth and easy to track
- 6 palettes work well against downed timber
- Replaceable batteries for all-day hunts
- IP65 sealing holds up in rain and dust
Cons
- 11.7 degree field of view is the narrowest here
- 256x192 native resolution limits detail
- Brightness resets after power cycles
- Only a 1 year warranty
The G215 is the step up from the G210, and the upgrade is entirely about the lens. Where the G210 uses a 10mm objective, the G215 uses a 15mm infrared lens optimized for long-range detection with improved target focus. Owners comparing the two directly prefer the G215 for scanning open country, and that is the honest difference between them.
It also runs at 50Hz instead of 25Hz, so sweeping across a field or working through timber is smooth. For a handheld, that is a meaningful upgrade in feel rather than a spec-sheet line, because you spend most of your time panning and looking for the next thing.
Reviewers note that it recognizes small animals, with owners reporting clearly seeing mice and other small game moving at night. That is a sign of a reasonably sensitive sensor, though the stated 1417 meter human detection and 254 meter recognition figures should be read as laboratory conditions rather than hog-hunting expectations.
The 16GB of onboard storage, six palettes, and Wi-Fi app viewing make it a good unit for setting up on a tripod at a blind and watching the screen from somewhere warm. Iron Red and Red Hot work particularly well for picking animals out against downed timber. Replaceable batteries plus IP65 sealing mean rain and long days are not the constraint.
When is a 15mm lens better than a wide 25mm lens?
When you are looking at one animal in open ground and want to know what it is, rather than sweeping a field looking at a group. A longer lens makes a distant hog fill more of the frame, which is how you get from detection to identification. If you are glassing a large group across pasture, the reverse is true and you want the wide view instead.
That is the honest trade-off in this unit, and the 11.7 degree field of view is the narrowest in the roundup, so more sweeping is required to cover the same ground. Reviewers who upgraded from the 10mm G210 were glad of the clarity; reviewers hunting a large group at a feeder were not. Know which one you are before you buy.
What should hold you back from the G215?
Native 256×192 resolution is the ceiling. A longer lens on a low-resolution sensor buys you magnification of a limited pixel count, which produces a larger but not genuinely more detailed image. Compare it to the RIX Pocket K3, where a 384 sensor pairs with a similar 15mm lens, and the difference in readable detail at 150 yards is obvious.
The brightness reset after power cycles carries over from the G210 and remains irritating. The Wi-Fi connection can require troubleshooting, sometimes needing mobile data disabled first, and there is no SD card slot, so media is limited to 16GB internal. The one-year warranty is the shortest here, which is the main reason this sits below the RIX units in my ordering despite a solid 4.4 rating.
What Is the Best Thermal Optic for Hog Hunting?
Our Editor’s Choice is the GOYOJO G210, and it takes that spot for one reason: nothing else here is as easy to keep running all night. The replaceable 18650 cell, the pocketable body, and the IP65 sealing make it the unit you actually carry, and on close-to-moderate range hog work it reads clearly enough to act on. If you glass a group in open pasture instead, the ATN OTS XLT is the best choice on a wide field, and the RIX Pocket K3 is the best handheld for close-to-mid range work in timber. All of them run a 50Hz-class refresh, so what separates them is lens and field of view: a 25mm objective and 22.5 degree view cover more ground at once, while a 384×288 sensor with a 15mm lens tells you what you are looking at sooner.
If you want one answer rather than a field of options, buy the one whose hunting pattern matches its weakness. Group hunters scanning open pasture want the OTS XLT. Walkers working cover inside 150 yards want the K3 or the Axion Compact. Neither of those choices is wrong, and both beat a 640-resolution unit you cannot carry comfortably.
How to Choose a Thermal Monocular for Hog Hunting
Sensor resolution: 256 vs 384 vs 640 for hogs
For hogs, 384×288 is the sweet spot and 640 is usually overkill unless you have other reasons to buy it. Hogs are large, warm, and shot at close-to-mid range, so the binding constraint is how fast you get from a bright shape to a confident identification. A 384 sensor gets you there in a practical lens size and weight. A 640 sensor is a genuine step up in detail, but at most of these body sizes the package is larger and heavier.
That is exactly the point several experienced hog hunters make in forum threads: a 384 unit with a fast lens regularly outperforms a cheap 640 with a slow, low-magnification lens, because the lens determines how much signal you gather and the sensor determines how well you resolve what you gathered. A 256×192 unit is still entirely usable for hogs inside roughly 100 yards, which covers a lot of bait-site and close-approach hunting.
Note also that none of the picks here reach 640×512. The 640 tier in this roundup is the premium end, and for a handheld hog-hunting tool the money is usually better spent on a fast lens and a good sensor than on resolution you will not use at the distances you actually hunt.
Detection range is not identification range
This is the most misleading spec in the entire category, and the number to ignore most aggressively. Detection range means a human-sized warm target is visible as a blob against a background. Identification range means you can tell what it is. The gap between the two is enormous, often three to five times.
For hogs the gap matters less than it would for coyotes, because a hog is a big animal with a distinctive shape and a high heat signature. Even so, treat any detection figure above 400 yards on a handheld with suspicion. Those numbers come from controlled tests with a large target against a flat background, and field experience suggests a handheld with a 15mm lens will identify a hog at a fraction of the stated figure in real terrain.
Base magnification and field of view for scanning a group
This is the spec nobody explains well and it decides whether you enjoy hunting with a monocular. A 15mm base magnification gives roughly an 11 degree view. A 25mm gives about 22 degrees. That difference is the difference between fitting a group of hogs in one frame and assembling them from four sweeps of the same pasture.
For close brush work, 15mm is more than enough. For a group at a feeder or a field of 40 hogs, you want the wide view. Remember also that high magnification narrows the field further, so an already narrow 11 degree view becomes a keyhole at 4x. Look for empty magnification in the middle of the zoom range, not at the top of it.
Refresh rate, NETD and what humidity does to the image
Refresh rate is how many frames per second the sensor produces. Below 30Hz, a walking animal smears, and hogs that startle and run will look like a streak. Every pick here runs at 25Hz or 50Hz, and I would treat 50Hz as the minimum for serious night work. 25Hz is acceptable for slow scanning.
NETD, the noise equivalent temperature difference in millikelvin, is the sensitivity figure and lower is better. It matters far more on humid Southern nights than on cold clear Northern ones, because humidity and rain compress the temperature difference between a hog and the background. A sub-25mK unit holds up in damp conditions where a 35mK unit fades. If you hunt in the South, rank NETD above almost everything except lens speed.
Battery, weight, and IP rating for a long sit
Weight decides whether you carry the unit. Anything under 10 ounces disappears in a pocket, and a unit you actually bring is worth more than a better unit left in the truck. Every pick here is between 7.5 and 10 ounces except the GOYOJO bodies, which list a full kilogram for the whole kit in the box rather than the device alone.
Battery capacity decides whether you keep using it. Look for replaceable cells above all, and note that cold weather cuts usable capacity regardless of the spec sheet. Units rated 8 hours and up will carry a winter sit. A sealed 5 hour battery will not. For weather, IP65 handles rain and dust; IP67 means immersion resistance, which matters if you are working wet brush in a downpour.
Thermal monocular or thermal rifle scope?
A handheld thermal monocular is the right tool when you want to see hogs without moving. You can glass a treeline, count a group, and identify animals before you ever shoulder a rifle, and you do not stir them by walking. It is also far cheaper and it serves coyote, varmint, and general scouting work. For most hog hunters, the handheld is the first purchase, not the compromise.
A thermal rifle scope is the right tool when you are already committed to a shot and need the optic on the gun. It costs considerably more, it needs zeroing, it needs a mount that puts the eye relief where your head sits, and it is dead weight when you are walking. If your hunting is mostly approach and spot-and-stalk from a vehicle or a stand, the mono wins. If you are shooting at 150 yards across open ground with a rifle, the scope serves you better.
Many hog hunters end up owning both eventually, and using them in a specific combination rather than as substitutes.
Thermal vs Night Vision for Hog Hunting
Thermal works with no light source at all, which is the whole point on a hog hunt. It reads heat, so fog, rain, darkness, and partial brush cover do not matter the way they do with image intensification. A hog behind a grass stem that stops an intensifier is completely visible to a thermal unit.
Night vision amplifies available light and is genuinely better in one place: showing fine detail on an animal you have already found. Moonlight from behind a hog produces a sharp, high-contrast picture with fur and body outline. At the same moment, a thermal unit shows a bright white silhouette with no detail at all, because thermal measures temperature, not texture.
That difference is why the pairing has become the most common real-world hog setup in the field. Use the thermal monocular to spot the hog in the dark. Then confirm with a night vision scope on the rifle for the detail and the shot. The thermal finds the animal, the night vision does the identifying and the shooting. Owners describe this combination so consistently that it is worth planning around if you are building a kit from scratch.
If you only own one optic, buy the thermal. Hogs are a heat-signature problem more than a low-light problem, and the situations where a thermal fails are narrower than the situations where a night vision scope fails.
Check Your State Rules Before You Buy
Many states restrict artificial light and night vision devices for hog hunting, and some restrict them for all wildlife. Rules vary by state, by county, and by whether the device is mounted on a firearm or carried by hand, and using one where it is not permitted can end a hunt and the license behind it.
Check your state wildlife agency guidance before you buy anything, and check the specific county you plan to hunt. Do not assume that because a device is legal for coyotes or varmints it is legal for hogs, because hog night hunting is the most heavily regulated category in many states. This is one area where a quick phone call to the agency is worth more than anything in this guide.
Frequently Asked Questions
Is night vision or thermal better for hog hunting?
Thermal is better for finding hogs. It needs no light source and sees through fog, rain, and partial brush cover that stops an image intensifier. Night vision is better for detail on an animal you have already located, because moonlight shows fur and body outline that a thermal sensor cannot. Many hog hunters use both, with the thermal monocular for spotting and a night vision scope for the shot.
Do I need a laser rangefinder for hog hunting?
Rarely. Hog shots are usually taken inside 150 yards, and estimating range is a skill that comes quickly with practice. Rangefinders on budget monoculars also tend to be slow, since they often need high and low points set before they will give a reading, which is impractical on an animal that is moving. If you hunt open country at longer distances, a rangefinder becomes more useful, but a faster lens matters more.
How far can a thermal monocular actually detect a hog?
Far less than the marketing suggests, because detection range and identification range are not the same number. A large warm animal like a hog will be detected well beyond the distance at which you can tell what it is. With a 15mm lens on a 384×288 sensor, expect confident identification at roughly 100 to 150 yards in decent conditions. With a 25mm lens and 50Hz refresh, identification is comfortable out toward 200 yards or more. Ignore detection figures above 400 yards on any handheld.
Is 640 resolution better than 384 for hog hunting?
It is better in absolute terms, but for hogs you rarely need it. A hog is a large, hot animal usually shot at close-to-mid range, so 384×288 with a fast lens reaches confident identification sooner than a slow 640 unit in a similar body. Owners comparing the tiers often find a good 384 beats a cheap 640, because lens speed and NETD sensitivity decide how the image behaves in poor conditions. Choose 640 if you also hunt small varmints at long range.
What base magnification should I look for in a hog-hunting monocular?
A 25mm to 35mm objective is the widely recommended starting point. A 25mm lens gives roughly a 22 degree field of view, which lets you fit a group of hogs into one frame instead of assembling them from several sweeps. A 15mm lens around an 11 degree view gives better reach and identification on a single animal but makes scanning a group slower. Match the lens to how you hunt, not to which number is larger.
Final Verdict: Which Thermal Monocular Should You Buy?
Our Editor’s Choice, the GOYOJO G210, is the one to buy if you want a single answer. Nothing else in this roundup is as easy to keep running all night, and the replaceable 18650 cell means the battery never enters the conversation on a long sit. If you glass a group in open pasture, buy the ATN OTS XLT for its 25mm lens, wide field of view, and 10 hour battery. If you work cover inside 150 yards, buy the RIX Pocket K3 for real identification detail in something that fits a pocket. Those two cover most hog hunters, and together with the G210 they are the best thermal monoculars for hog hunting for opposite reasons.
If your nights are humid, the Pulsar Axion Compact is the strongest sensor package here and the one that will keep working when the air is wet and the background is warm. If you want the smoothest image for the least money, the RIX Pocket K2 at 50Hz and sub-25mK is hard to argue with. And if you hunt primarily at bait sites under about 100 yards, the GOYOJO G210 with its replaceable cell will keep you going all night without a battery conversation.
Whatever you choose, check your state rules first, ignore the detection range on the box, and pick the lens that matches how you actually hunt. Those three things will serve you better than any other spec on the list.