A strong thermal for coyote hunting combines a rifle-ready scope, enough sensor detail for your terrain, and useful range or power features for long night sits. The AGM Rattler V3 LRF 35-384 leads this lineup with a 384×288 sensor, sub-15mK sensitivity, 35mm lens, and built-in laser rangefinder. Other hunters may prefer the Oneleaf.ai Mars MT1000LRF’s 640×512 sensor and ballistic calculator, or a lighter handheld monocular for scanning before choosing a firing position.
This comparison separates rifle scopes from observation devices and weighs resolution, lens and magnification, stated detection range, and included accessories. Detection figures are manufacturer-listed claims, not guarantees: terrain, weather, target size, and temperature contrast can change what you see in the field.
The AGM Rattler V3 LRF 35-384 is the strongest overall fit for coyote hunters who want a dedicated rifle scope with useful ranging features. It pairs a 384×288 sensor with sub-15mK sensitivity, a 35mm F1.0 lens, and a built-in 1,000m laser rangefinder. Its listed 3.5–28x zoom and 64GB video add flexibility, while its 1.5-pound weight is worth considering for hunters prioritizing a lighter setup.
Our Top Picks
Best OverallIts 384×288 sub-15mK sensor, 35mm F1.0 lens, and built-in 1,000m laser rangefinder make this a capable dedicated hunting scope.
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Highest ResolutionThe 640×512 sensor, built-in rangefinder, ballistic calculator, and interchangeable lenses suit hunters seeking detailed imaging and adaptable setup.
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Bundle ReadyIts 384×288 sub-20mK sensor and 35mm lens suit rifle use, while the included ADM QD mount, batteries, and thermal targets add practical setup gear.
View on Amazon- Long-Range Scope RIX STORM S3
- Compact Handheld RIX Pocket K3
Compare These Thermal Options by Hunting Use
| # | Product | Dimensions | Weight | Warranty Description | Buy |
|---|---|---|---|---|---|
| 1 | 1. AGM Rattler V3 LRF 35-384Best Overall | 9"L x 2.6"W x 2.6"H | 1.5 lb | 5 year manufacturer | View on Amazon |
| 2 | 2. oneleaf.ai Mars MT1000LRFHighest Resolution | 6.55"L x 2.64"W x 3.18"H | 1.2 lb | 3 year manufacturer | View on Amazon |
| 3 | 3. AGM Rattler V2 35-384Bundle Ready | 7.7"L x 2.4"W x 2.6"H | 1.3 lb | 5 year manufacturer | View on Amazon |
| 4 | 4. RIX STORM S3Long-Range Scope | 2.5"L x 2.2"W x 5.3"H | 15.52 oz | 5-year warranty | View on Amazon |
| 5 | 5. AGM Rattler V2 25-256Long-sit rifle hunters | 2.7"L x 2.6"W x 8.5"H | 6.34 oz | 5 year manufacturer | View on Amazon |
| 6 | 6. RIX Pocket K3Compact Handheld | 4.9"D x 1.8"W x 2.9"H | 7.52 oz | 5-Year Manufacture | View on Amazon |
| 7 | 7. ATN BlazeSeeker 6Open-field handheld observers | 5.87"D x 2.23"W x 1.98"H | 9.6 oz | 5 Year Manufacturer | View on Amazon |
| 8 | 8. AGM Taipan V2Handheld AGM thermal scouts | 6.23"D x 2.2"W x 2.4"H | — | 5 Year Manufacturer | View on Amazon |
| 9 | 9. TOPDON TS004Phone-connected handheld scouting | 9.8"D x 6"W x 3.8"H | 70 g | Manufacturer Warranty | View on Amazon |
Detailed Reviews: Best Thermal For Coyote Hunting

#1 · Best Overall
1. AGM Rattler V3 LRF 35-384
- Dimensions: 9"L x 2.6"W x 2.6"H
- Weight: 1.5 lb
- Warranty Description: 5 year manufacturer
Best for: Long-range coyote and hog hunters.
Why it ranks #1: Its 384×288 sub-15mK sensor, 35mm F1.0 lens, and built-in 1,000m laser rangefinder make this a capable dedicated hunting scope.
An integrated 1,000m laser rangefinder gives the AGM Rattler V3 LRF 35-384 a direct way to read target distance on unfamiliar ground. Its 384×288 sensor, sub-15mK sensitivity, 35mm F1.0 lens, and 3.5–28x zoom serve hunters who want long-range thermal observation and distance information in one scope.
The listed detection reach is up to 2,710 yards, while the 1,000m laser rangefinder provides a separate distance reading to help assess a target’s range. Image Boost 2.0 is stated to make heat signatures more distinct, and the broad 3.5–28x zoom range lets the user adjust magnification for observation. Two rechargeable batteries and a charger are included; the 1.5-pound aluminum scope is a substantial rifle optic to carry and mount.
- 384×288 thermal sensor with sub-15mK sensitivity
- 35mm F1.0 lens
- Integrated 1,000m laser rangefinder
- 3.5–28x zoom and Image Boost 2.0
- At 1.5 pounds, it weighs more than the listed 6.34-ounce AGM Rattler V2 25-256.
Skip it if you want a lighter rifle optic for carrying; the AGM Rattler V2 25-256 is listed at 6.34 ounces.
Pick this scope if coyote or hog hunting calls for a built-in rangefinder, high sensor resolution, and a wide zoom range. Its 1.5-pound weight is a real carrying consideration for mobile hunts.
Full product details
| Brand | AGM Global Vision |
|---|---|
| Color | Black |
| Included Components | 2 Rechargeable Batteries, 5 Thermal Targets, Battery Charger, Thermal Scope |
| Dimensions | 9"L x 2.6"W x 2.6"H |
| Item Display Dimensions | 9 x 2.6 x 2.6 inches |
| Item Display Weight | 1.5 pounds |
| Item Weight | 1.5 pounds |
| Lens Color | Black |
| Manufacturer | AGM Global Vision |
| Material | Aluminum |
| Model | Rattler V3 LRF 35-384 |
| Model Number | Rattler V3 LRF 35-384 |
| Product Style | Tactical |
| Style | Tactical |
| Warranty Description | 5 year manufacturer |
Listed on Amazon as: AGM Rattler V3 Thermal Scope Bundle – Ultra-Sensitive Sub-15mK Sensor, Image Boost 2.0, 64GB Video, Wi-Fi, IP67, Day/Night Coyote & Hog Hunting, 5 Thermal Targets + Cloth
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#2 · Highest Resolution
2. oneleaf.ai Mars MT1000LRF
- Dimensions: 6.55"L x 2.64"W x 3.18"H
- Weight: 1.2 lb
- Warranty Description: 3 year manufacturer
Best for: Rangefinding scope and ballistic workflow.
Why it ranks #2: The 640×512 sensor, built-in rangefinder, ballistic calculator, and interchangeable lenses suit hunters seeking detailed imaging and adaptable setup.
A built-in laser rangefinder and ballistic calculator make the oneleaf.ai Mars MT1000LRF a scope for hunters who want distance measurement and ballistic support at the optic. Its 640×512 sensor, 35mm lens, 2x base magnification, and 60Hz listed refresh rate support a feature-rich coyote-hunting setup.
The 640×512 sensor and NETD below 20mK are paired with a 35mm lens for thermal viewing, while the scope offers 2x base magnification and 1x–8x digital zoom. Adjustable 30, 50, or 60Hz refresh rates allow selection among the stated modes. The integrated rangefinder and ballistic calculator combine distance and ballistic functions at the scope, and interchangeable lenses support adaptation to different situations. Video recording and image capture are also listed.
- 640×512 thermal sensor with NETD below 20mK
- Built-in rangefinder and ballistic calculator
- 1x–8x digital zoom with 2x base magnification
- Interchangeable lenses and adjustable 30/50/60Hz refresh rate
- The listed digital zoom tops out at 8x, below the 28x maximum listed for the AGM Rattler V3 LRF.
Skip it if you need magnification beyond 8x; the AGM Rattler V3 LRF 35-384 lists zoom up to 28x.
This suits coyote hunters who want an integrated rangefinder, ballistic calculator, and image capture in a rifle scope. Its digital zoom ceiling is 8x, so consider whether that range fits your preferred observation distances.
Full product details
| Brand | oneleaf.ai |
|---|---|
| Color | Black |
| Compatible Devices | Rifle |
| Included Components | Interchangeable Lenses, Laser Rangefinder, Thermal Scope |
| Dimensions | 6.55"L x 2.64"W x 3.18"H |
| Item Weight | 1.2 pounds |
| Manufacturer | Oneleaf.ai |
| Material | Aluminum |
| Model | Mars Mt1000lrf |
| Model Number | MT1000lrf |
| Product Style | Thermal |
| Style | Thermal |
| Warranty Description | 3 year manufacturer |
Listed on Amazon as: oneleaf.ai Mars MT1000LRF 12um 640 x 512 Thermal Imaging Riflescope for Hunting, 60Hz Refresh Rate, 35mm Lens Thermal Scope with 1969 Yards Detection Range
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#3 · Bundle Ready
3. AGM Rattler V2 35-384
- Dimensions: 7.7"L x 2.4"W x 2.6"H
- Weight: 1.3 lb
- Warranty Description: 5 year manufacturer
Best for: Ready-to-zero rifle scope buyers.
Why it ranks #3: Its 384×288 sub-20mK sensor and 35mm lens suit rifle use, while the included ADM QD mount, batteries, and thermal targets add practical setup gear.
Five thermal zeroing targets included in the bundle give the AGM Rattler V2 35-384 a practical setup advantage for hunters preparing to sight in. Its 384×288 sensor, sub-20mK sensitivity, and 35mm Germanium lens support coyote observation, while the included cleaning cloth helps with basic lens care.
The 12-micron 384×288 sensor and sub-20mK NETD sensitivity are specified for detailed thermal imagery in fog, light rain, humid air, and dense brush. A 35mm Germanium lens and listed 3×–24× magnification range make this a rifle-oriented optic for hunters who want flexibility in viewing distance. The bundle includes five thermal zeroing targets, an ADM QD mount, two rechargeable 18650 batteries, charger, USB cable, cloth, and carrying case.
- 384×288 sensor with sub-20mK NETD sensitivity
- 35mm Germanium lens
- 3×–24× magnification range
- Five thermal zeroing targets and ADM QD mount included
- Its 1.3-pound listed weight is heavier than the 6.34-ounce AGM Rattler V2 25-256.
Skip it if you prioritize a lighter rifle scope for mobile hunts; the AGM Rattler V2 25-256 is listed at 6.34 ounces.
This bundle suits coyote hunters who want a higher-resolution AGM rifle optic with zeroing targets and mounting accessories included. At 1.3 pounds, its weight is a relevant boundary for hunters covering ground on foot.
Full product details
| Brand | AGM Global Vision |
|---|---|
| Color | Black |
| Compatible Devices | Smartphone |
| Included Components | USB-C Cable |
| Dimensions | 7.7"L x 2.4"W x 2.6"H |
| Item Display Weight | 1.3 pounds |
| Item Weight | 1.3 pounds |
| Lens Color | Clear |
| Manufacturer | AGM Global Vision |
| Material | Aluminum |
| Model | Rattler V2 35-384 Bundle with 5 Thermal Zeroing Targets and Lens Cloth |
| Product Style | 35-384 |
| Style | 35-384 |
| Warranty Description | 5 year manufacturer |
Listed on Amazon as: AGM Global Vision Rattler V2 Thermal Imaging Scope for Hunting, High Resolution with High Sensitivity Thermal Optics, Waterproof & Durable, Includes Thermal Targets & Cleaning Cloth
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#4 · Long-Range Scope
4. RIX STORM S3
- Dimensions: 2.5"L x 2.2"W x 5.3"H
- Weight: 15.52 oz
- Warranty Description: 5-year warranty
Best for: High-magnification rifle hunters.
Why it ranks #4: This rifle scope combines a 384×288 sensor, 35mm lens, 3.5x base magnification, and a stated detection range of up to 1,969 yards.
A 3.5x base magnification rising to 14x gives the RIX STORM-S3 a clear fit for coyote hunters focused on distant targets. Its 384×288 sensor, 35mm lens, and listed 1,969-yard viewing distance pair that reach with RET image enhancement and a 50Hz refresh rate.
The 7.5° horizontal field of view is narrow, aligning with the scope’s stated emphasis on long-distance observation rather than broad-area scanning. Its 3.5x starting magnification and 14x maximum let users increase magnification for distant targets. RIX lists RET image enhancement and 50Hz video, with a 384×288 sensor supplying the image resolution. The aluminum rifle scope weighs 15.52 ounces and includes a dust cover, lens cloth, and USB cable.
- 384×288 thermal sensor
- 35mm lens and 3.5x base magnification
- Magnification up to 14x
- RET image enhancement and 50Hz video
- Its 7.5° horizontal field of view is narrow for scanning broad ground.
Skip it if you scan wide open ground and prefer a wider stated field of view; the RIX Pocket K3 lists 17.5° horizontally.
Choose the STORM-S3 if your coyote setup prioritizes magnification and distant observation over a broad scan. Its 7.5° horizontal field of view is the main fit consideration when searching large areas.
Full product details
| Brand | RIX |
|---|---|
| Color | Black |
| Compatible Devices | Rifle |
| Included Components | Dust Cover, Lens Cloth, Manual, Thermal Imaging Rifle Scope STORM S3, USB Cable |
| Dimensions | 2.5"L x 2.2"W x 5.3"H |
| Item Display Weight | 15.52 ounces |
| Item Weight | 15.52 ounces |
| Manufacturer | Visir Inc. |
| Material | Aluminum |
| Model | STORM S3 |
| Model Number | RIX-STORM |
| Product Style | 35-384 |
| Style | 35-384 |
| Warranty Description | 5-year warranty |
Listed on Amazon as: RIX STORM-S3 384 Thermal Scope, 35mm Lens, 3.5x-14x Magnification
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#5
5. AGM Rattler V2 25-256
- Dimensions: 2.7"L x 2.6"W x 8.5"H
- Weight: 6.34 oz
- Warranty Description: 5 year manufacturer
Best for: Long-sit rifle hunters.
Why it ranks #5: A rifle-ready option with a 25mm lens, 256×192 sensor, two rechargeable batteries, and up to 11.5 hours of stated runtime.
A removable power system rated for up to 11.5 hours gives the AGM Rattler V2 25-256 the endurance for extended coyote sits and late-night tracking. Its 25mm Germanium lens and 3.5x base magnification pair with a stated 1,250-yard heat-signature detection range for scanning distant ground.
The 256×192, 12-micron thermal sensor supplies the image foundation, while the 25mm lens and listed 3.5x base magnification make this a rifle-mounted optic for hunters prioritizing reach. Two rechargeable batteries and a charger are included, so power can be swapped during a long outing; the removable system is rated up to 11.5 hours. A mount, case, USB cable, and lens cloth round out the included kit for setup and transport.
- 25mm Germanium lens
- 3.5x base magnification
- Stated heat detection range up to 1,250 yards
- Removable power system rated up to 11.5 hours
- The 256×192 sensor resolution is lower than the supplied 384×288 and 640×512 scope options.
Skip it if you prioritize finer sensor resolution over extended runtime; the RIX STORM-S3 lists a 384×288 sensor.
Choose this AGM for coyote hunters who want a rifle scope, long stated detection reach, and swappable power for prolonged outings. Its 256×192 sensor is the boundary to weigh if detailed imagery matters more than battery endurance.
Full product details
| Brand | AGM Global Vision |
|---|---|
| Color | Black |
| Compatible Devices | Rifle |
| Included Components | Scope, Mount, Two Rechargeable Battery, Charger, USB Cable, Lens Cloth, Manual, Case |
| Dimensions | 2.7"L x 2.6"W x 8.5"H |
| Item Weight | 6.34 ounces |
| Manufacturer | AGM Global Vision |
| Part Number | 314218550204R221 |
| Material | Polycarbonate |
| Model | RATTLER V2 |
| Model Number | TS25-256 |
| Product Style | 25-256 |
| Style | 25-256 |
| Warranty Description | 5 year manufacturer |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: AGM Global Vision Rattler V2 Thermal Imaging Scope High-Sensitivity Sensor
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#6 · Compact Handheld
6. RIX Pocket K3
- Dimensions: 4.9"D x 1.8"W x 2.9"H
- Weight: 7.52 oz
- Warranty Description: 5-Year Manufacture
Best for: Compact handheld field scouts.
Why it ranks #6: This 7.52-ounce monocular has a 384×288 sensor, 15mm lens, and 2x base magnification, but it is an observation device rather than a rifle scope.
At approximately 4.9×1.8×2.9 inches and 7.52 ounces, the RIX Pocket K3 puts a 384×288 thermal sensor into a compact handheld format for coyote scouting. Its 2x base magnification and 17.5° horizontal field of view support near-to-midrange observation without presenting it as a rifle scope.
The 15mm objective lens sits behind the 384×288 sensor, and the 2x base magnification offers a straightforward starting view for scanning. RIX lists detection up to 853 yards under controlled testing conditions, while explicitly noting that actual results vary with temperature contrast, humidity, target size, and terrain. Tripod and hunting-equipment compatibility is specified, giving users more than a standalone handheld option for stationary observation.
- 384×288 thermal sensor
- 15mm objective lens with 2x base magnification
- 17.5° horizontal field of view
- Compact 7.52-ounce body with tripod compatibility
- Its stated detection range is up to 853 yards under controlled conditions, with actual performance varying by environment.
Skip it if you need a rifle-mounted thermal scope; the RIX STORM-S3 is specified as rifle-compatible.
The Pocket K3 suits coyote hunters who want a light handheld scout or tripod-compatible thermal monocular. Its stated 853-yard detection limit and environmental caveat make it a less direct fit for buyers seeking a long-range rifle optic.
Full product details
| Brand | RIX |
|---|---|
| Compatible Devices | Tripod, Hunting Equipment |
| Dimensions | 4.9"D x 1.8"W x 2.9"H |
| Item Weight | 7.52 ounces |
| Manufacturer | Visir Inc. |
| Part Number | POCKET-K3 |
| Model | POCKET-K3-FBA |
| Warranty Description | 5-Year Manufacture |
Listed on Amazon as: RIX Pocket K3 Thermal Monocular for Hunting, 384×288 Night Vision Monocular
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#7
7. ATN BlazeSeeker 6
- Dimensions: 5.87"D x 2.23"W x 1.98"H
- Weight: 9.6 oz
- Warranty Description: 5 Year Manufacturer
Best for: Open-field handheld observers.
Why it ranks #7: Its handheld format, 256×192 sensor, 10mm germanium lens, and stated detection reach of up to 460m make it more suited to scanning than aiming.
The 10mm Germanium lens and 17.3° × 13.1° view give the ATN BlazeSeeker 6 a stated open-terrain focus, with detection up to 460m. Its 256×192 sensor, ≤20mK NETD, and 1.7–13.6x magnification make it a handheld option for spotting heat before choosing a route.
The 12μm pixel pitch and ≤20mK NETD are specified alongside the 256×192 sensor, while SharpIR AI is described as enhancing edge clarity and contrast for target identification. Five viewing palettes—White Hot, Black Hot, Rainbow, Iron Red, and Alarm—let the user choose among listed thermal presentations. Smartphone compatibility is specified, but the product is a monocular rather than a rifle scope. Its 9.6-ounce weight suits handheld observation.
- 256×192 sensor with 12μm pixel pitch
- ≤20mK NETD
- 10mm Germanium lens with detection up to 460m
- SharpIR AI and five viewing palettes
- Its listed detection range is up to 460m, shorter than the 1,969-yard scope ranges supplied for some rifle optics.
Skip it if you need a rifle-mounted thermal optic with longer listed reach; the RIX STORM-S3 specifies detection up to 1,969 yards.
The BlazeSeeker 6 fits coyote hunters scouting open fields by hand who value multiple viewing palettes and target-identification assistance. Its 460m detection figure and monocular format set boundaries for longer-range rifle use.
Full product details
| Brand | ATN |
|---|---|
| Compatible Devices | Smartphone |
| Dimensions | 5.87"D x 2.23"W x 1.98"H |
| Item Weight | 9.6 ounces |
| Manufacturer | ATN |
| Part Number | TIMNBLS210G6 |
| Model | ATNTIMNBLS210G |
| Model Number | TIMNBLS210G6 |
| Warranty Description | 5 Year Manufacturer |
Listed on Amazon as: ATN BlazeSeeker 6, 10 mm Thermal Monocular, 1.7–13.6X, 256×192 Sensor, 12μm, ≤20 mK NETD
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#8
8. AGM Taipan V2
- Dimensions: 6.23"D x 2.2"W x 2.4"H
- Warranty Description: 5 Year Manufacturer
Best for: Handheld AGM thermal scouts.
Why it ranks #8: This is a handheld thermal monocular with smartphone and tablet compatibility, but the supplied listing lacks sensor resolution and lens specifications for comparison.
The AGM Taipan V2 is a handheld thermal monocular for coyote hunters who want to scan without mounting a riflescope. Its listed smartphone and tablet compatibility provides a device connection option, while the 6.23×2.2×2.4-inch dimensions give a clear sense of its compact format.
AGM identifies this model as the TaipanV2 10-256 and lists compatibility with smartphones and tablets, making connected handheld use the most concrete workflow detail supplied. Its dimensions—6.23×2.2×2.4 inches—describe a compact monocular form for carrying during a hunt. The provided facts do not state sensor resolution, lens size, magnification, detection distance, or runtime, so buyers should judge it as a handheld scouting option rather than infer rifle-scope performance.
- Thermal monocular format for handheld scouting
- Compatible with smartphones
- Compatible with tablets
- Compact listed dimensions of 6.23×2.2×2.4 inches
- The supplied specifications do not state sensor resolution, magnification, or detection range.
Skip it if you need a thermal rifle scope with stated sensor resolution and magnification; the RIX STORM-S3 lists both.
This Taipan V2 fits coyote hunters seeking an AGM handheld monocular with smartphone and tablet compatibility. The supplied product facts leave key imaging and range specifications unstated, so it is not the choice for buyers comparing those figures.
Full product details
| Brand | AGM Global Vision |
|---|---|
| Compatible Devices | Smartphone, Tablet |
| Dimensions | 6.23"D x 2.2"W x 2.4"H |
| Manufacturer | AGM Global Vision |
| Part Number | TAIP10-256-2 |
| Model | TaipanV2 |
| Model Number | 10-256 |
| Warranty Description | 5 Year Manufacturer |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: AGM Global Vision Taipan V2 Thermal Imaging Monocular High-Sensitivity
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#9
9. TOPDON TS004
- Dimensions: 9.8"D x 6"W x 3.8"H
- Weight: 70 g
- Warranty Description: Manufacturer Warranty
Best for: Phone-connected handheld scouting.
Why it ranks #9: Its 256×192 sensor and 50Hz refresh rate are documented, but smartphone compatibility makes it a thermal camera rather than a rifle-ready hunting optic.
A 50Hz refresh rate is the TS004’s clearest practical advantage, helping handheld coyote scouts view thermal imagery smoothly while moving across a field. Its 256×192 IR resolution supplies the stated image detail, and the product is identified as a smartphone-compatible thermal monocular rather than a rifle scope.
The 256×192 IR resolution and 50Hz refresh rate work together for handheld observation: the resolution provides the listed image detail, while the refresh rate supports smoother viewing as a scout scans. Smartphone compatibility makes this a phone-oriented option, not a rifle-mounted optic in the supplied specifications. TOPDON also states that infrared cannot detect through glass, walls, or underwater, an important constraint when choosing where and how to use it.
- 256×192 IR resolution
- 50Hz refresh rate
- Smartphone-compatible device
- Handheld thermal monocular format
- It is a handheld monocular, not a rifle-compatible scope.
Skip it if you need a rifle-mounted optic for aiming; the AGM Rattler V2 TS25-256 is specified as rifle-compatible.
This fits coyote hunters seeking a phone-compatible handheld imager for scouting rather than a mounted aiming optic. Its 50Hz viewing and 256×192 resolution are useful listed specifications, but the product facts do not establish rifle compatibility.
Full product details
| Brand | TOPDON |
|---|---|
| Compatible Devices | Smartphone |
| Dimensions | 9.8"D x 6"W x 3.8"H |
| Item Weight | 70 g |
| Manufacturer | TOPDON |
| Part Number | TS004 |
| Model | Thermal Imaging Monocular |
| Model Number | TS004 |
| Warranty Description | Manufacturer Warranty |
Listed on Amazon as: TOPDON TS004 Thermal Imaging Monocular, 13mm 50Hz Night Vision
View on AmazonWhy a detection-range number is not a shot distance
A listed detection range describes a claimed ability to notice heat, not a guarantee that you can identify a coyote or make a responsible shot at that distance. The product data itself shows why comparisons need context: the RIX Pocket K3 says its maximum 853-yard range was measured under controlled conditions and that temperature contrast, humidity, target size, and terrain affect results. Some other listings claim much longer reach, including up to 1,969 yards for the RIX STORM S3 and 2,710 yards for the AGM Rattler V3, but these figures should not be treated as equivalent identification or engagement distances.
A small heat signature can be easy to detect yet difficult to distinguish from other animals or background warmth. Match the optic to the distances and terrain you actually hunt, and confirm target identity through a suitable view before acting.
Check the optic type before planning your setup
A handheld thermal monocular is for observation; the supplied product information does not establish that these monoculars can be safely or reliably used as rifle sights. The TOPDON TS004 is explicitly a smartphone-compatible thermal camera, while the RIX Pocket K3 and ATN BlazeSeeker 6 are listed as handheld monoculars. By contrast, products such as the AGM Rattler V2 scopes and RIX STORM S3 list rifle compatibility.
This distinction matters when planning both scanning and aiming: do not assume a phone-connected imager or handheld viewer can replace a mounted riflescope. There is also a practical field trade-off between a wider view for locating heat and greater magnification for examining distant targets.
A 15mm lens and 2x base magnification on the Pocket K3 differ substantially from the 35mm lens and 3.5x base magnification of the STORM S3. Choose each device for its stated role, not just its thermal resolution.
How to Choose a Coyote-Hunting Thermal
Sensor resolution and sensitivity
Look for a resolution and sensitivity that suit the detail you need in your hunting terrain. The listed rifle scopes range from 256×192 on the AGM Rattler V2 25-256 to 384×288 on the AGM Rattler V3, AGM Rattler V2 35-384, and RIX STORM S3; the oneleaf.ai Mars MT1000LRF goes up to 640×Sensitivity also varies: the Rattler V3 claims sub-15mK, while the Rattler V2 bundle lists sub-20mK and the Mars lists NETD below 20mK.
Higher resolution and sensitivity can be attractive when detail matters, while a 256×192 scope may suit hunters whose priority is a more basic rifle-mounted thermal. These figures alone do not guarantee identification in every condition.
Lens, magnification, and hunting terrain
Choose lens and base magnification around the distances and field of view you expect to use. The AGM Rattler V2 25-256 has a 25mm lens and 2.5x magnification, while the RIX STORM S3 lists a 35mm lens and 3.5x base magnification. The oneleaf.ai Mars MT1000LRF offers a 35mm lens with 2x base magnification and interchangeable lenses; the RIX Pocket K3 is a handheld 15mm, 2x device.
A longer lens and higher base magnification favour examining distant targets, while a shorter lens and lower magnification can make scanning easier across nearer or broader areas. Check the listed field of view where provided and consider how quickly you need to find a heat signature before narrowing in.
Rangefinding, power, and included setup gear
Consider which field features solve a real problem for your hunt, rather than choosing on a detection claim alone. The AGM Rattler V3 includes a built-in 1,000m laser rangefinder, and the oneleaf.ai Mars MT1000LRF lists both a rangefinder and ballistic calculator. The AGM Rattler V2 25-256 claims up to 11.5 hours of runtime and includes two rechargeable batteries; the Rattler V2 35-384 bundle includes a mount, batteries, charger, and thermal zeroing targets.
These features suit different priorities: integrated ranging helps when judging distance on unfamiliar ground, while spare power and setup accessories matter during longer outings. Compare what the package actually lists, and verify that the mounting and battery arrangements fit your rifle and field routine.
Which thermal fits your coyote hunt?
For a dedicated hunting scope with integrated ranging, choose the AGM Rattler V3 LRF 35-384; its 384×288 sensor, sub-15mK sensitivity, and 1,000m laser rangefinder make it the best-balanced fit here. If maximum listed sensor resolution is your priority, the oneleaf.ai Mars MT1000LRF brings a 640×512 sensor, interchangeable lenses, and a ballistic calculator. For a 384×288 scope with useful included setup gear, consider the AGM Rattler V2 35-384 bundle.
The RIX STORM S3 suits hunters interested in a 35mm lens and 3.5x base magnification. Choose the AGM Rattler V2 25-256 for a rifle scope with two batteries and stated long runtime.
For scanning rather than rifle aiming, look at the RIX Pocket K3 or ATN BlazeSeeker 6; the TOPDON TS004 is a phone-compatible thermal camera.
Frequently Asked Questions
What thermal sensor resolution is useful for identifying coyotes at your usual hunting distance?
Choose resolution based on your typical distance and the detail you need to distinguish an animal from its surroundings. A 384×288 sensor offers more pixels than a 256×192 sensor, while the oneleaf.ai Mars MT1000LRF lists 640×Resolution alone does not guarantee identification; lens, image quality, conditions, and viewing distance also matter.
Can a handheld thermal monocular be mounted and used as a rifle scope?
Not necessarily. A handheld monocular is designed for scanning, while a rifle scope is designed to mount on a firearm and support aiming. Do not assume a monocular can be safely or correctly mounted.
Check the specific product’s intended use and manufacturer’s mounting guidance; the RIX Pocket K3 and ATN BlazeSeeker 6 are presented here for scanning.
How do weather, terrain, and temperature contrast affect a thermal optic’s detection range?
They can change how clearly an animal stands out, so listed detection range should not be treated as a guaranteed identification distance. Heat contrast, vegetation, terrain, and weather all affect the view. Compare optics using your likely hunting conditions, and distinguish a product’s stated detection range from the distance at which you can identify a coyote.
What should I prioritize in a dedicated thermal rifle scope?
Prioritize the combination that fits your use: sensor resolution and sensitivity, lens and magnification, mounting as a dedicated scope, and any useful ranging or recording features. The AGM Rattler V3 LRF 35-384 is the strongest overall fit here for hunters seeking integrated ranging, while the oneleaf.ai offers the highest listed sensor resolution.
When is a handheld thermal better suited than a rifle scope?
A handheld unit is a better fit when your main task is scanning rather than aiming a rifle. The RIX Pocket K3 and ATN BlazeSeeker 6 are identified here as scanning options, while the TOPDON TS004 is a phone-compatible thermal camera. Choose a dedicated scope when you need a thermal optic intended for rifle use.
Final Words
For a dedicated rifle scope with integrated ranging, the AGM Rattler V3 LRF 35-384 is the strongest overall fit in this roundup. Choose the oneleaf.ai Mars MT1000LRF if maximum listed sensor resolution is your priority, or the AGM Rattler V2 35-384 bundle for included setup gear. For scanning, consider the RIX Pocket K3 or ATN BlazeSeeker 6; the TOPDON TS004 is the phone-compatible option.

