| focal length, millimeters | side | diagonal |
|---|---|---|
| 30 | 87° | 107° |
| 40 | 71° | 91° |
| 50 | 59° | 78° |
| 60 | 51° | 68° |
| 80 (normal) | 39° | 54° |
| 120 | 27° | 37° |
| 135 | 24° | 33° |
| 150 | 22° | 30° |
| 180 | 18° | 25° |
| 250 | 13° | 18° |
| 350 | 9° | 13° |
| 500 | 7° | 9° |
| 1000 | 3.2° | 4.6° |
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Last revised: 14 March 2000.