ATN OTS LT 320 4-8X Thermal Viewer - High-Resolution Thermal Imaging for Hunting and Surveillance
The ATN OTS LT 320 4-8X thermal viewer brings high-resolution thermal imaging to hunters, search and rescue teams, and serious surveillance work. Built around ATN's Obsidian LT Core processor and cutting-edge thermal sensors, this handheld unit delivers sharp, crisp images across extended range—so you can spot game, locate subjects, or scan terrain in complete darkness or poor visibility. Unlike older thermal handhelds that demand constant battery swaps, the OTS LT 320 runs on a long-lasting internal battery with a proprietary power management system designed to keep you in the field, not tethered to spare AA cells.
The redesigned form factor is slim and ergonomic, fitting naturally into your hand for hours of comfortable scanning. With 25mm eye relief and available in 19mm, 25mm, 35mm, and 50mm lens options, you can tailor the unit to your specific mission—whether that's close-range game recovery in timber, wide-area search operations, or perimeter surveillance. USB Type-C charging means you're not locked into proprietary gear; standard power banks and camp chargers work fine. The OTS LT 320 pairs intuitive controls with the reliability you need when conditions get serious.
This is the thermal handheld that doesn't ask you to choose between capability and practicality. For hunters tired of losing wounded game in darkness, rescue teams working against the clock, or anyone running surveillance in remote country, the OTS LT 320 removes the guesswork. It's a tool you'll trust to perform when it matters most.
Key Features
- Obsidian LT Core processor for sharp, detailed thermal images at distance
- Long-lasting internal battery with smart power management—no single-use battery dependence
- USB Type-C charging for field-friendly power solutions
- Slim, ergonomic handheld design with comfortable 25mm eye relief
- Multiple lens options (19mm, 25mm, 35mm, 50mm) for mission-specific configurations
- Built for hunting, search and rescue, and surveillance applications
Specifications
| Magnification / Lens | 4-8X (specific lens variant available in 19mm, 25mm, 35mm, 50mm options) |
| Processor | ATN Obsidian LT Core |
| Battery Type | Internal rechargeable battery |
| Charging | USB Type-C |
| Eye Relief | 25mm |
| Design | Handheld thermal monocular |
Frequently Asked Questions
What lenses are available for the OTS LT 320?
The ATN OTS LT 320 comes in four lens configurations: 19mm, 25mm, 35mm, and 50mm. Choose based on your range needs and field of view preference—wider lenses for close work and scanning, longer lenses for spotting detail at distance.
How long does the battery last per charge?
The OTS LT 320 features a long-lasting internal battery managed by ATN's proprietary power system, designed to extend field time significantly. For extended operations, ATN offers the Extended Battery Pack (ACMUBAT160N), which provides up to 15 additional hours of runtime and is compatible with USB micro connections.
Can I charge this with standard power sources?
Yes. The OTS LT 320 uses USB Type-C charging, so you can recharge from standard power banks, camp chargers, vehicle USB adapters, or any compatible USB-C source—no proprietary cables required.
Is the OTS LT 320 good for hunting?
Absolutely. The thermal imaging excels at locating game in darkness and low-visibility conditions, making it valuable for night hunting, post-shot recovery in timber, and scouting operations where thermal detection gives you a real advantage.

