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The focal length is 14 mm, the maximum aperture is 1: 2 , 8 and has a gel filter holder at the back of the lens
The closest focusing distance is 7.9 inches
The viewing angle
Compatible with all EOS digital SLR cameras
Redesigned optics including 2 high-precision aspherical elements and 2 New UD glass elements
Uses a rear focusing system, high speed processor and a powerful USM ring type with revised electronics
Integrated sun visor; anti-dust and moisture resistant
114º diagonal view
Lens not zoomable
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