CONTAX 85/1.2 Zeiss Planar T* MM (Made in Germany)
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Lens/groups: 8/7, flot. lens
Minimum focus: 1 m
Angular field: 29°
Filter: 77
Size: 80 x 72.5 mm
Weight: 875 g
Focal lenght: 83.9
Year: 1987
Aperture Real
------- MTF -------
setting aperture
Center(*) Border(*) Average(*)
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1.2
-.3 7.1
6.1 6.6
2
+.1 8.0
7.4 7.8
2.8
+.1 8.6
8.0 8.4
4
+.1 8.8
8.2 8.7
5.6
+.1 8.8
8.2 8.7
8
+.1 8.6
8.0 8.5
11
0 8.3
7.7 8.1
16
-.1 7.6
7.0 7.4
(*) = (3=poor, 5=sufficient, 7=good, 9=excellent)
Average= region between center and border, not maths average
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Distortion: - 1.0 % (cushion)
Vignetting: 0.9
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