Carl Zeiss Vario-Sonnar T* 28-70 mm f/ 3.5-4.5 C/Y Lens Folleto
Performance data:
Vario-Sonnar
Vario-Sonnar
®
T* 3.5-5.6/28-80
Cat. No. 10 47 69
Modulation transfer T as a function of image height u.
Slit orientation:
sag
White light. Spatial frequencies R = 10, 20 and 40 cycles/mm
tan
f-number
k = 4.5
f = 50 mm
f-number
k = 8
f = 50 mm
T (%)
T (%)
u (mm)
u (mm)
0
20
40
60
80
100
0
5
10
15
20
0
20
40
60
80
100
0
5
10
15
20
Relative illuminance
f = 50 mm
E (%)
u (mm)
0
20
40
60
80
100
0
5
10
15
20
k = 4.5
k = 8
Distortion in % of image height u
f = 50 mm
V
u (mm)
-2,0
-1,0
0,0
1,0
2,0
0
5
10
15
20