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OneLeaf MARS Mini 640×512 60Hz – 25mm Thermal Imaging Scope
25mm F/1.0 Lens | 1.6× Base Magnification | 640×512 Thermal Sensor | 60Hz | Built-In Laser Rangefinder
The OneLeaf MARS Mini combines a high-resolution 640×512, 12μm thermal sensor with a compact aluminium housing weighing approximately 195g with the 25mm lens fitted.
The 25mm version provides 1.6× base magnification, offering greater target detail and reach than the wider-field 19mm version.
A <20mK NETD thermal sensitivity and selectable refresh rates up to 60Hz provide detailed thermal imaging and smooth viewing of moving subjects.
Key Features
- 640×512 @ 12μm thermal sensor
- <20mK NETD thermal sensitivity
- 25mm F/1.0 interchangeable lens
- 1.6× base magnification
- 1–6× digital zoom
- 60Hz / 50Hz / 30Hz selectable refresh rate
- Shutterless thermal imaging
- 17.46° × 14.01° field of view
- 720×720 circular touchscreen display
- Automatic display brightness
- Built-in laser rangefinder rated to 1500m
- Integrated ballistic calculator
- Picture-in-Picture mode
- Shot-activated recording
- Photo, video and audio recording
- Freeze-frame zero
- Seven ballistic profiles
- Eight thermal colour palettes
- Five scene modes
- Removable rechargeable battery system
- Multiple mounting options
- Aluminium construction
- IPX6 weather protection
- Approx. 195g with 25mm lens
- 3-year manufacturer warranty
Thermal Imaging
The MARS Mini uses a 640×512 thermal detector with 12μm pixel pitch and thermal sensitivity below 20mK, designed to distinguish small differences in temperature and provide a detailed thermal image.
Its shutterless thermal system eliminates the periodic image interruption associated with conventional mechanical shutter calibration.
60Hz Refresh Rate
Selectable refresh rates of 30Hz, 50Hz and 60Hz allow the unit to provide smooth imaging when observing moving subjects.
Integrated Laser Rangefinder
A built-in laser rangefinder provides distance measurements out to a stated maximum of 1500 metres, subject to target size, reflectivity and atmospheric conditions.
Display & Recording
The MARS Mini incorporates a 720×720 circular touchscreen display with automatic brightness adjustment.
Photo, video and audio recording are supported, along with shot-activated recording and Picture-in-Picture viewing.
Power
The unit uses removable rechargeable batteries, allowing batteries to be replaced in the field rather than requiring the complete device to be recharged.
Weather Protection
The aluminium housing carries an IPX6 water-resistance rating for use in adverse outdoor conditions.
What’s Included
Package contents include the MARS Mini main unit, 25mm lens, mounting adapters, SD card, eyecup and eyepiece components, USB Type-C cable, zeroing warmer patch, Allen keys, lens cloth and storage bag.



























