Camera having soft focus filter

Details Camera having soft focus filter Camera having soft focus filter

1987-12-11

1989-04-25

Perkey, W. B.

350431, G03B 300, G03B 1100, G02B 1320

Patent

active

048252352

ABSTRACT:
A camera comprises a photographing optical system in which a focal length thereof is changed between a predetermined focal length range including a first focal length and a second focal length longer than the first focal length, a soft focus filter optical member, means for holding the optical member to be switched between an insertion position where the optical member is inserted in an optical path of the photographing optical system and a removal position where the optical member is removed from the optical path, and means for biasing the optical member to the removal position when the photographing optical system is located at the first focal length and the optical member to the insertion position when the photographing optical system is located at the second focal length.

REFERENCES:
patent: 1460744 (1923-07-01), Boysen
patent: 2353257 (1944-07-01), Mihalyi
patent: 4013347 (1977-03-01), Nakamura
patent: 4586802 (1986-05-01), Nagano et al.
patent: 4681418 (1987-07-01), Kodaira
patent: 4682227 (1987-07-01), Heerah

Affiliated with

Also associated with

Rating

Camera having soft focus filter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Camera having soft focus filter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Camera having soft focus filter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1198913