Photographic objective

Details Photographic objective Photographic objective

1982-06-11

1984-10-16

Corbin, John K.

350465, G02B 960, G02B 1318

Patent

active

044771541

ABSTRACT:
A photographic objective of small size, having five lens elements of which the 1st counting from the front is of positive power and in the meniscus form convex toward the front, the 2nd is of negative power, the 3rd is of positive power and turns its convex rear surface toward the rear, the 4th is of positive power and the 5th is of negative power and in the meniscus form convex toward the rear. Numerical limits are given to certain design features of these five lens elements so that good correction of aberrations is attained.

REFERENCES:
patent: 4368956 (1983-01-01), Yamada et al.
patent: 4373786 (1983-02-01), Yamada
patent: 4394073 (1983-07-01), Wakamiya
patent: 4429958 (1984-02-01), Yamaguchi

Affiliated with

Also associated with

Rating

Photographic objective does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1943496