Description
Handheld thermal has come a long way, and the ATN BlazeHunter 335 LRF is proof of how much capability now fits in your jacket pocket. At its core sits a 384×288 vanadium oxide uncooled sensor with a NETD rating under 18mK, meaning it reacts to the tiniest differences in heat. That sensitivity is what lets you separate a bedded coyote from the cool ground around it or pick out a hog moving behind a wall of brush. A 50Hz refresh rate keeps the picture smooth while you pan across a field, and the 4-32x magnification range gives you room to scan wide and then zoom in on whatever caught your eye. ATN rates the heat detection out to roughly 1,800 yards, so you'll pick up warm bodies long before they know you're there.
Seeing It Clearly Through the BlazeHunter 335 LRF
The 0.41-inch OLED display runs at 1440×1080, which ATN says gives you about twice the pixel density of comparable thermal viewers. In plain terms, edges look cleaner and the image holds up when you push the zoom. Six color palettes let you dial in the view that works best for your eyes and conditions, including White Hot, Black Hot, High Red, Iron Red, Green Hot, and Sepia. Some folks like White Hot for open ground while others swear by the red modes for reducing eye strain on long night sits.
Rangefinding and Sharing Built Right In
What sets the LRF version apart is the integrated laser rangefinder. Instead of juggling a separate unit, you get a quick, precise distance readout right in the display, which matters when you're judging terrain or confirming a range before a shot. Built-in Wi-Fi ties into the ATN Blaze app so you can capture photos and video, adjust settings from your phone, or stream your view to as many as four people at once. That's handy whether you're guiding a buddy onto an animal or just showing off what thermal can do.
Built to Ride Along on Long Nights
This one weighs in under 0.8 pounds, so it rides easy in a pocket or around your neck all night. The replaceable battery setup uses two 18650 rechargeable cells, each good for around 7 hours, giving you roughly 14 hours total before you're out of juice. Swap a fresh cell in the field and keep hunting. An IP67 waterproof housing means dew, rain, and rough weather won't sideline you.
Key Specifications
- Manufacturer: ATN
- Manufacturer Part Number: TIMNBLH335LRF
- UPC: 0658175126270
- Thermal Sensor: 384×288 vanadium oxide uncooled
- NETD Sensitivity: Under 18mK
- Refresh Rate: 50 Hz
- Pixel Pitch: 12 micron
- Magnification: 4-32x
- Lens: 35 mm
- Display: 0.41-inch OLED, 1440×1080
- Detection Range: Up to 1,800 yards
- Laser Rangefinder: Built-in
- Color Palettes: White Hot, Black Hot, High Red, Iron Red, Green Hot, Sepia
- Connectivity: Built-in Wi-Fi, ATN Blaze app
- Battery: Two 18650 rechargeable, ~7 hrs each (up to 14 hrs total)
- Weather Rating: IP67 waterproof
- Weight: Under 0.8 lbs (without battery)
What’s Included
- ATN BlazeHunter 335 LRF thermal monocular
- Two 18650 rechargeable lithium-ion batteries
- Battery charger
- Lens cap
- Quick start guide
Frequently Asked Questions
How far can the BlazeHunter 335 LRF detect heat?
ATN rates the BlazeHunter 335 LRF for heat detection out to around 1,800 yards. Keep in mind that detection means picking up a warm body as a heat blob, not identifying exactly what it is. Detail and identification range will be shorter, but that reach is plenty for spotting game long before they're aware of you.
What makes the LRF version different from the standard BlazeHunter 335?
The LRF model adds a built-in laser rangefinder, giving you a precise distance readout right in the display. That means no fumbling with a separate rangefinder in the dark when you need to confirm how far off your target is. If judging distance matters for your setup, the LRF is the version worth having.
How long does the battery last on the BlazeHunter 335 LRF?
It runs on two rechargeable 18650 batteries, each good for roughly 7 hours, which adds up to about 14 hours of total runtime. The batteries are swappable in the field, so you can drop a fresh one in and keep going. Running features like Wi-Fi streaming and recording will shorten that runtime, so budget accordingly on long nights.
Can I record video and share what I'm seeing?
Yes. Built-in Wi-Fi connects the BlazeHunter 335 LRF to the ATN Blaze app, so you can snap photos, record thermal video, and adjust settings from your phone. You can also stream your view live to as many as four people at once, which is great for guiding someone onto an animal.





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