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Zeiss ZM 50mm f/2 Planar T*

The Zeiss ZM 50mm f/2 Planar (about $781) is a compact 50mm alternative to the ZM 50mm f/1.5 C-Sonnar.

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.


Per Zeiss. See the datasheet.

Zeiss ZM 50mm f/2 Planar
Focal length: 50mm
Aperture scale: f/2 - f/22
Focusing range: 0.7m - infinity
Angular field, diag./horiz./vert 47/39/27 °
Coverage at close range: 29 X 43 cm
Image ratio at close range:            1:12
Number of elements/groups: 6 elements in 4 groups
Filter thread: M 43 x 0.75
Weight: 230g
Dimensions (with caps): ø 52 mm, length 68 mm


Like most 50mm lenses, there is moderately strong barrel distortion.

Distortion of the Zeiss ZM 50mm f/2 Planar


See coverage and comparisons in Guide to Leica.

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