ATN OTS 4T 640 1-10x

• 640x480 thermal sensor: The higher-resolution sensor gives the monocular more image detail to work with, which helps separate animals, people, and background clutter more clearly at longer distances.
• 1-10x viewing range: The low 1x base view is easier to use for scanning wide areas, while the higher digital zoom range lets the user inspect heat signatures more closely without changing devices.
• 1280x720 Micro HD display: A high-definition internal display presents the thermal image with a cleaner, easier-to-read picture, reducing eye strain during longer observation sessions.
• 16-hour internal Li-ion battery: Long battery life supports extended hunts, patrols, and search work without frequent power management interruptions.
• Wi-Fi and onboard video recording: Built-in recording and wireless connectivity make it easier to save observations, review footage later, or share the live view with another device in the field.

About the ATN OTS 4T Series

The ATN OTS 4T series is a family of handheld thermal monoculars built within ATN’s Obsidian 4T line. ATN positions the series for practical field observation tasks such as spotting, hunting, stalking, game recovery, and search-and-rescue, where a compact thermal unit is often more useful than a weapon-mounted optic. Across the range, the OTS 4T models are offered with 384 and 640 thermal sensor variants and in several magnification classes, so users can choose between wider-area scanning and more reach for target inspection.

A shared characteristic of the series is its combination of thermal imaging with digital Smart HD functions rather than a purely basic viewer. OTS 4T monoculars use ATN’s Obsidian IV Dual Core T processor together with a 1280 × 720 HD microdisplay, giving the line a more feature-rich operating platform for recording, wireless functions, and onboard tools. The series also includes features such as Wi-Fi video streaming, video recording, and a Smart Range Finder, which make the OTS 4T models suitable not only for detection but also for documenting and sharing what the user sees in the field.

About the ATN OTS 4T 640 1-10x

The ATN OTS 4T 640 1-10x is configured as a wide-view thermal monocular for users who need to scan terrain efficiently and then study a detected heat source in more detail. Its 1x base magnification and 32.00 ° field of view make it well suited to woodland edges, open fields, and general surveillance, where a broad image helps pick up movement quickly. When closer inspection is needed, the unit extends to 10.00 x maximum magnification, giving the user more flexibility without moving to a different optic.

The thermal core uses a 640x480 sensor with a 60.00 Hz refresh rate, which supports smoother image movement when panning and makes tracking moving subjects more natural. Combined with a Range of detection. of 830.00 m, this gives the monocular useful reach for early spotting and follow-up observation. The 1280x720 Micro - HD display helps present that sensor data in a clear viewing format, while onboard video recording at 1280x960 allows observations to be saved for review or documentation.

In practical use, the OTS 4T 640 1-10x also benefits from a field-oriented design. WiFi connectivity supports wireless sharing and remote viewing functions, and the 16.00 h battery life is long enough for extended evening sessions or all-night observation work. Its 220.00 mm body and 850.00 g weight keep it substantial enough to handle steadily while remaining portable, and the waterproof and fogproof construction adds reassurance when the weather turns damp or temperatures shift.

About ATN

ATN was founded in 1995 in Silicon Valley, California, and the company focuses on night-vision, thermal-imaging, and digital day-and-night optics. It later established its headquarters in Doral, Florida, and its catalog now spans traditional image-intensifier night vision, digital night vision, and thermal devices for observation and shooting applications. In the digital optics segment, ATN is known for integrating electronic imaging, onboard recording, and app-connected functions into field-ready products rather than treating thermal and night vision as purely passive viewing tools.

Important milestones in ATN’s development include the introduction of the X-Sight II HD series in 2015 and products built around the Obsidian 4 Dual Core platform in 2018. Those systems helped define ATN’s Smart HD approach, which combines imaging hardware with software-driven features and user interfaces. That background is directly relevant to products such as the OTS 4T, where thermal performance is paired with recording, wireless connectivity, and digital controls in a compact handheld format.

Main Features

• Series: ATN OTS 4T
• Magnification: 1.00 x - 10.00 x
• Field of view: 551.00 m/1000m
• Field of view (angular): 32.00 °
• Eye relief: 25.00 mm
• Detection range: 830.00 m
• Thermal sensor resolution: 640x480
• Refresh rate: 60.00 Hz
• Display type: Micro - HD
• Display resolution: 1280x720
• Video recording: Yes
• Video resolution: 1280x960
• Video output: Yes
• Connectivity: Wifi
• Battery type: Li-ion
• Battery life: 16.00 h
• Dimensions: 220.00 mm x 80.00 mm x 75.00 mm
• Weight: 850.00 g
• Waterproof: Yes
• Fogproof: Yes
• Color: Black

Warranty

ATN covers the OTS 4T 640 1-10x with a 3-year warranty. This gives the product a clearly stated manufacturer warranty period for a thermal monocular in regular field use.

In the Box

• Lens tissue
• USB-C cable
• Soft carrying case