The Athlon Cronus ATS Pro 35CL-640 Thermal Clip-On converts your existing daytime optic into a powerful thermal viewing system for use in complete darkness. Featuring a high-resolution thermal sensor, built-in laser rangefinder, and integrated ballistic calculator, it delivers exceptional versatility, clarity, and performance in demanding conditions.
High-resolution 640×512 @12μm thermal sensor for detailed thermal imagery
Clip-on design mounts in front of a daytime optic
Included Picatinny rail adapter for standalone mounting
Built-in laser rangefinder for accurate distance measurement
Integrated ballistic calculator with customizable holdovers
High-contrast OLED display for clear viewing
7 selectable color palettes with adjustable brightness and contrast
WiFi connectivity for video recording and snapshots
Auto-Shot recording captures moments before and after recoil
Eco Mode extends battery life during long observation sessions
Waterproof, fogproof, and shockproof construction
Brand: Athlon Optics
Model: Cronus ATS Pro 35CL-640 Clip-On
Part Number / SKU: 210143
Thermal Sensor Resolution: 640 × 512 @ 12μm
Display: 0.39" OLED
Display Resolution: 1280 × 960
Lens System: 35mm F1.0
Field of View: 12.5° × 9.4°
Digital Magnification: 1x
Eyepiece Magnification: 9.5x
Eye Relief: 0.8"
Max Detection Range: Up to 1950 yards
Laser Rangefinder Distance: 10 – 1600 yards (±1 yd)
Color Palettes: White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue Hot, Sepia
Video / Photo Resolution: 1280 × 960
Internal Memory: 64 GB
Connectivity: WiFi
Battery: (1) Rechargeable 18650
Battery Life: ≥ 5 hours
External Power: USB-C (5V/2A)
Waterproof Rating: IP68
Operating Temperature: -4°F to 122°F (-20°C to 50°C)
Dimensions: 5.2" x 2.7" x 3.1"
Weight: 17 oz
Athlon Cronus ATS Pro 35CL-640 Thermal Clip-On
Picatinny mounting adapter
Rechargeable 18650 battery
Charger
USB-C cable
Plug adapters
Carrying case