CONTAX 135/2 Zeiss Planar T* MM (Made in Germany)
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Lens/groups: 5/5
Minimum focus: 1.5 m
Angular field: 18.5°
Filter: 55 mm
Size: 75 x 101 mm
Weight: 830 g
Focal lenght: 133.9
Year: 1975
Aperture Real
------- MTF -------
setting aperture
Center(*) Border(*) Average(*)
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2
-.2 7.8
7.4 7.7
2.8
0 8.2
8.0 8.1
4
+.1 8.4
8.2 8.3
5.6
+.1 8.4
8.1 8.3
8
+.1 8.3
7.9 8.2
11
0 8.0
7.4 7.9
16
-.1 7.5
6.8 7.2
22
-.2 6.4
5.8 6.2
(*) = (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: 0.55
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