A British firm has recently launched a new 6x zoom, radiation resistant lens that is suitable for use in nuclear fuel handling operation, reactor active zones and radioactive waste storage plants.
Known as Model 290 motorised non-browning zoom lens, the product was developed as a direct replacement to the Fujinon 12-72mm (6x) non browning zoom lens, which is no longer manufactured. Model 290 uses special glass that can withstand long term exposure to high levels of radiation (up to a total dose of 100,000,000 rads) and temperature (55 °C) without discoloration. All functions of the Model 290 are motorised and include slip clutches and electronic noise suppression. Operating at f/1.8 the Model 290 provides high image resolution and minimum geometric distortion from 400-750nm.
The high-performance Model 290 CCTV zoom lens has been designed for use with single chip 1/2″ and 2/3″ CCTV cameras as well as Newvicon and Chalnicon tubes.
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