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Zeiss ZM 35mm f/2.8 C-Biogon T*

The Zeiss ZM 35mm f/2.8 C-Biogon (about $817) is a very compact 35mm lens, an alternative to the 35mm f/2 Biogon. It offers outstanding value without compromising performance.

Image quality

Not yet tested.

MTF charts suggest that this lens offers excellent performance even wide open, with minimal field curvature and outstanding contrast and sharpness by f/5.6.

Specifications

Per Zeiss. See the datasheet.

Zeiss ZM 35mm f/2.8 C-Biogon
Focal length: 35mm
Aperture scale: f/2.8 - f/22
Focusing range: 0.7m - infinity
Angular field, diag./horiz./vert 62/53/37 °
Coverage at close range: 41 cm x 62 cm
Image ratio at close range:            1:17
Number of elements/groups: 7 elements in 7 groups
Filter thread: M 43 x 0.75
Weight: 200g
Dimensions (with caps): ø 52 mm, length 55 mm

Distortion

The pincushion distortion of the 35mm f/2.8 Biogon is only about 1% by the far corners, excellent for a 28mm lens.

Distortion of the Zeiss ZM 35mm f/2.8 C-Biogon

Conclusions

Not yet tested.

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