Request InfoCarl Zeiss Microscopy LLCCarl Zeiss AG has released a high-speed wide-angle lens for use in analog and digital 35-mm single-lens reflex cameras. The Distagon T* 2/28 has an aperture of 1:2.0 and a 28-mm focal length and is equipped with manual focus, a metal casing and floating elements. Available as the ZF model for cameras with the F bayonet and as the ZK for those with a K-mount, the lens has a focusing range from 0.24 m to infinity, an image ratio at close range of 1:5 and coverage at close range of 18 × 12 cm. 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