Assertion: camera lens's length | /r/HasProperty | mm
Facets:
Source sentences:
text: Focal length (mm) Diagonal (°) Vertical (°) Horizontal (°) 2 162.9 149.8 159.6 4 146.6 123.2 140.4 7 124.6 93.2 115.5 9 112.0 78.9 101.9 12 96.1 63.3 85.5 14 87.2 55.7 76.8 16 79.6 49.6 69.5 17 76.2 47.0 66.3 18 73.1 44.7 63.3 20 67.4 40.6 58.1 24 58.1 34.3 49.6 35 41.7 23.9 35.2 50 29.9 16.8 25.0 70 21.6 12.1 18.0 85 17.8 10.0 14.9 105 14.5 8.1 12.1 200 7.6 4.2 6.4 210 7.3 4.0 6.1 300 5.1 2.8 4.2 400 3.8 2.1 3.2 500 3.1 1.7 2.5 600 2.5 1.4 2.1 700 2.2 1.2 1.8 800 1.9 1.1 1.6
text: For the popular 35 mm film format, typical focal lengths of fisheye lenses are between 8 mm and 10 mm for circular images, and 15–16 mm for full-frame images.