The new Model 346 non-browning lens from Resolve Optics Ltd. (Chesham, UK) has been designed to operate with color sensors in areas subject to radiation. For any camera lens to survive even quite low levels of radiation, without degradation, they should be produced from non-browning ceriumdoped glass. Unfortunately most non-browning glasses are yellow tinted, which gives color images acquired by CMOS cameras a yellow appearance.

The Model 346 lens uses special glass that can withstand long-term exposure to radiation up to a dose of 100 million radians and temperatures to 55°C without discoloration. Operating up to f/2, it provides high image resolution and minimum geometric distortion from 400 to 750 nm, and it can image objects from 50 mm to infinity without using add-on adapters. The Model 346 lens is designed for optimized use with 15 mm diagonal color CMOS sensors.

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