Camera Lens News Camera Lens News
Issue No. 23 January 2006
ZEISS Lenses for SLR cameras with F Mount
Technical Data

Planar T*
1,4/50 ZF
Planar T*
1,4/85 ZF
Focal length50 mm85 mm
Aperture rangef/1.4 – f/16, clickstopped in
½ stop intervals
f/1.4 – f/16 clickstopped in
½ stop intervals
Focusing range0.45 m (18”) – ∞, from image plane1 m (3’ 4”) – ∞, from image plane
Angle of view, diag./horiz.46°/39°28,5°/24°
Coverage at close range16 cm x 24 cm
(6 ½” x 9 ¾”)
24 cm x 36 cm
(9 3/8“ x 1’ 2”)
Optical construction7 elements/
6 groups
6 elements/
5 groups
Filter threadM 58 x 0.75M 72 x 0.75
Weight330 g (11.6 oz)570 g (1 lb 4.1 oz)
Overall dimensions
(with caps)
66 mm diameter
x 69 mm long
2 5/8” diameter
x 2 11/16” long
77 mm diameter
x 86 mm long
3 1/16” diameter
x 3 3/8“ long
Code102250102251

ZF lenses are made according to the AI-S Standard. Therefore they can be used on all cameras with AI-connection. ZF lenses do not contain electronics and ZF lenses are focused manually only. The aperture ring has half stop click stops.
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