The Athlon Cronus ATS Pro Thermal Rifle Scope 50-640 (brand part no. 210139) is the flagship of Athlon’s Cronus ATS line of thermal optics, now upgraded with an included internal ballistic calculator. The Pro model keeps the exceptional performance of the original Cronus ATS while adding the ballistic calculator for faster, more confident holdovers. The 50-640 delivers stunning detail and crystal-clear resolution, and an impressive 8.8 x 6.6-degree field of view makes sure fast-moving quarry doesn’t slip past the edge of the screen.

Key Specifications

• Includes an internal ballistic calculator for automatic holdover adjustments.
• Offers an 8.8 x 6.6-degree field of view.
• Delivers crystal-clear thermal resolution.
• Sits at the top of Athlon’s Cronus ATS thermal optic lineup.

Frequently Asked Questions

Does this scope include a ballistic calculator? Yes, an internal ballistic calculator is built in.

What is the field of view? 8.8 x 6.6 degrees.

Buy the Athlon Cronus ATS Pro 50-640 Thermal Scope

Get flagship thermal performance with a ballistic calculator built in. Order the Athlon Optics Cronus ATS Pro from our Lubbock, Texas gun shop for fast, insured shipping — or browse more thermal sights.