Carl Zeiss Biogon T* 2,8/21 ZM specs

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We are currently working on upgrading our specs, but here are some short details.

Focal length - 21 mm

Aperture range - 2.8 – 22 (1/3 steps)

Focusing range - 0,5 m – infinity

No. of elements/groups - 9/7

Image ratio at close range - 1 : 21

Coverage at close range - 47 cm x 71 cm

Angular field, diag./horiz./vert. - 90/80/58 °

Filter - M 46 x 0.75

Dimensions (with caps) - ø 53 mm, length 75 mm

Weight - 280 g

If you are interested in using our specs commercially, check out our Camera Lenses specs database licensing page.