Maximal Shift ALPA 12
(for optical or mechanical reasons, in mm, ca.)

Min. focus distance in m
Image circle/coverage in mm, f 22, E = infinity
Focal length in mm
Max. aperture f
Designation
44 x 66 mm horizontal
44 x 66 mm vertical
6 x 7 cm horizontal (56 x 70/72)
6 x 7 cm vertical (56 x 70/72)
6 x 8 cm horizontal (56 x 76)
6 x 8 cm vertical (56 x 76)
6 x 9 cm horizontal (56 x 82/84)
6 x 9 cm vertical (56 x 82/84)
0,30
125
35
4,5
Rodenstock Apo-Grandagon
25
25
23
20
21
17
17
13
0,35
137
38
5,6
Schneider Super Angulon XL
25
25
25
25
25
24
25
20
0,35
80
38
4,5
Zeiss Biogon T
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0,40
131
45
4,5
Rodenstock Apo-Grandagon
25
25
25
23
25
21
21
17
0,50
166
47
5,6
Schneider Super Angulon XL
25
25
25
25
25
25
25
25
0,60
163
55
4,5
Rodenstock Apo-Grandagon
25
25
25
20
25
18
25
16
0,80
166
58
5,6
Schneider Super Angulon XL
25
25
25
20
25
18
25
16
0,70
170
65
4,5
Rodenstock Grandagon N
25
22
22
18
22
15
22
13
0,90
195
75
4,5
Rodenstock Grandagon N
25
19
21
15
21
12
21
10
1,20
212
80
4,5
Schneider Super-Symmar
25
16
20
12
20
10
20
8
1,60
151
100
5,6
Rodenstock Apo-Sironar-N
23
13
18
10
18
8
18
6
1,80
145
100
5,6
Schneider Apo-Symmar
23
13
18
10
18
8
18
6
2,60
179
120
5,6
Schneider Apo-Symmar
22
11
16
8
16
6
16
4
2,70
200
135
5,6
Rodenstock Apo-Sironar-N
21
10
15
7
15
5
15
3
3,10
195
135
5,6
Schneider Apo-Symmar
21
10
15
7
15
5
15
3
3,00
214
150
5,6
Rodenstock Apo-Sironar-N
20
9
14
6
14
4
14
2
4,00
220
150
5,6
Schneider Apo-Symmar
20
9
14
6
14
4
14
2

Source ALPA, Weber and Capaul - Other lenses on request

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