Carl Zeiss C Biogon T* 4.5/21 ZM

The Super Wide Built for Traveling The C Biogon T* 4,5/21 ZM is Read more

Specifications

Feature	Value	Comment
Focal Length	21 mm
Aperture range	f/4.5 - f/22 (1/3 steps)
Focusing range	0.5 m - infinity
Image ratio at close range	1 : 20
Coverage at close range	48 cm x 72 cm
Number of elements/groups	8/6
Angular field (diag./horiz./vert.)	90/80/58 °
Filter-Mount	M46 x 0.75
Weight	210 g
Dimensions (with caps)	ø: 53 mm, L: 56 mm
Release Date
First seen	2 October 2008