Nominal focal length (mm) |
|
88 |
153 |
210 |
305 |
Deviation of calibrated focal length from nominal (mm) |
|
+/- 4 |
+/- 3 |
+/- 4 |
+/- 5 |
Minimum angular field of view (degrees) |
|
120 |
90 |
70 |
50 |
Maximum useable field angle (degrees) Optical axis out to: |
|
54.5 |
40 |
30 |
22.7 |
Maximum lens distortion at maximum aperture (microns) Symmetric radial |
|
+/- 15 |
+/- 10 |
+/- 20 |
+/- 20 |
Tangential component of decentering (microns) |
|
n/a |
8 |
n/a |
n/a |
Maximum deviation of calibrated principal point/point of symmetry from principal point of autocollimation (microns) |
|
30 |
15 |
30 |
30 |
Stereomodel flatness deviation (microns) |
|
+/- 17 |
+/- 19 |
n/a |
n/a |
Minimum lens resolving power ([cycles or lp]/mm) |
|
|
|
|
|
Angle |
|
|
|
|
|
0 |
|
59 |
80 |
49 |
48 |
7.5 |
|
59 |
80 |
49 |
48 |
15 |
|
49 |
67 |
42 |
28 |
22.7 |
|
42 |
57 |
35 |
24 |
30 |
|
35 |
57 |
29 |
n/a |
35 |
|
30 |
48 |
n/a |
n/a |
40 |
|
17 |
40 |
n/a |
n/a |
45 |
|
14 |
n/a |
n/a |
n/a |
50 |
|
12 |
n/a |
n/a |
n/a |
54.5 |
|
12 |
n/a |
n/a |
n/a |