Zeiss Otus 1.4/55 ZF.2

Weight: 970 g
Brand: Zeiss
Description: Mount: Nikon F, lens type: standard, focal length: fixed, prime lens focal length: 55 mm, aperture F at min. focal length: 1.40, aperture F at max. focal length: 1.40
Type: Lens
Length: 141 mm
Diameter: 92.4 mm
Focal length: Permanent
Lens type: Standard
Minimum focus distance: 0.5 m
Focal length of prime lens: 55 mm
Bayonet: Nikon F
Filter thread diameter: 77 mm
Aperture F at max. focal length: 1.4
Aperture F at min. focal length: 1.4
Minimum aperture F: 16
Number of aspherical elements: 1
Number of element groups: 10
Number of low dispersion elements: 6
Number of elements: 12