Monthly Archives - August 2018


The new model of ASTROHN-275F14 long-range IR lens

ASTROHN Technology Ltd has developed and launched 8-14 µm IR lenses with a focal length of 275 mm. This telephoto lens has no mass-produced analogs in Russia and has a number of significant advantages compared to foreign analogs. The weight of the lens is only 3.5 kg. Weight reduction is achieved through the use of light alloys in the design. The use of an optical scheme consisting of three lenses made of germanium and zinc selenide with aspherical surfaces made it [...]