The Athlon Cronus ATS Pro 35C-640 thermal clip-on (Athlon part no. 210141) turns the riflescope you already own into a thermal sight, with clear, detailed thermal images in complete darkness. It mounts to Picatinny rails with the included adapter, or attaches to a variety of daytime scopes with an optional mount sold separately. Athlon gives it seven color palettes, customizable reticle holdovers and video recording over WiFi through the Athlon Thermal app. It is built for night hunting and predator control where you want to keep using the riflescope you already own.

Key Specifications

• The thermal sensor is 640×512 at 12 microns, and the smaller pixel pitch gives cleaner, sharper images.
• The lens system is 35 mm F1.0, built to gather as much infrared as it can.
• The display is an OLED at 1280×960, a sharp, high-contrast view.
• The field of view is 12.5 by 9.4 degrees, at 9.5x magnification.
• Thermal sensitivity is NETD of 25 mK or better at 77 degrees Fahrenheit, which lets the sensor separate small temperature differences.
• Battery life is more than 10 hours in most hunting situations, and a USB-C connection allows an external battery pack.
• Weight is 17.2 ounces and length is 5.2 inches.

Frequently Asked Questions

How does the clip-on attach to my rifle? It mounts to Picatinny rails with the included adapter, or attaches to a variety of daytime scopes with an optional mount that is sold separately.

Can it record video? Yes. The Athlon Thermal app for Apple and Android devices connects over WiFi to record video and capture images, and Auto-Shot can record the moments before and after a shot when recoil is detected.

How many color palettes does it have? Seven. Brightness and contrast can also be adjusted for each palette.

Buy the Athlon Cronus ATS Pro 35C-640 Thermal Clip-On

A clip-on is the practical way to add thermal to a rifle that is already zeroed with a daytime scope. Order it from our Lubbock, Texas gun shop for fast, insured shipping, and browse more thermal sights while you are here.