Camera with a fixed focal length lens

Details Camera with a fixed focal length lens Camera with a fixed focal length lens

1995-12-22

1997-12-23

Sugarman, Scott J.

Optical: systems and elements

Lens

Including a nonspherical surface

359716, 359718, G02B 1318

Patent

active

057012075

ABSTRACT:
A camera for taking a photograph on a picture plane of a rolled film which has a width of 24 mm. The camera includes: a photographing lens of which a convex surface is faced toward an object to be photographed and satisfying: 18.ltoreq.f.ltoreq.32 and f.sup.2 /90.ltoreq.F.ltoreq.16 in which f is the focal length of the photographing lens and F is the F-number of the photographing lens; at least one diaphragm; and the picture plane having a picture frame satisfying: 23.ltoreq.L.ltoreq.32 and 1.5.ltoreq.L/S 6.5 in which L (mm) is the long dimension of the picture frame, S is the short dimension of the picture frame, and an image of the object is focused on the picture plane through the photographing lens and the diaphragm.

REFERENCES:
patent: 4443067 (1984-04-01), Oweng, Jr. et al.
patent: 5166830 (1992-11-01), Ishibai et al.

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