Assertion: lens's length | /r/HasProperty | 39.6 mm
Facets:
value: for 135 format
type: OTHER
value: with an escribed image circle diameter
type: OTHER
Source sentences:
text: For 135 format (24 x 36 mm), with an escribed image circle diameter equal to the diagonal of the frame (43.266 mm), the focal length that has an angle of one radian of the escribed circle is 39.6 mm; the focal length that has an angle of one radian of the horizontally-bound inscribed image circle, is 33 mm; the focal length that has an angle of one radian of the vertically-bound inscribed circle, is 22 mm.