Wide angle photographic lens

Details Wide angle photographic lens Wide angle photographic lens

1975-12-22

1977-05-24

Sacher, Paul A.

350176, 350207, 350214, G02B 522, G02B 964

Patent

active

040251683

ABSTRACT:
A small size wide angle lens having an aperture ratio of 1 : 1.4 is disclosed. The lens consists of seven lens groups arranged to achieve the objects of brightness, small size, large aperture opening, while balancing the aberration.

REFERENCES:
patent: 3870400 (1975-03-01), Yamashita et al.
patent: 3884556 (1975-05-01), Nakagawa
patent: 3924935 (1975-12-01), Takahashi et al.
patent: 3942875 (1976-03-01), Betensky

Affiliated with

Also associated with

Rating

Wide angle photographic lens does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Wide angle photographic lens, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wide angle photographic lens will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-532879