Inverted telephoto type wide angle objective of large relative a

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

350450, G02B 964, G02B 1304

Patent

active

044377355

ABSTRACT:
The wide angle objective of the inverted telephoto type with a high relative aperture. It includes from front to rear, a first lens group of negative power, a second lens group of positive power and a third lens group of positive power, well corrected for the various aberrations with predetermined conditions for the focal length of each lens group, lens form and refractive indices of the glasses of the lens elements.

REFERENCES:
patent: 3877795 (1975-04-01), Yamashita

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Inverted telephoto type wide angle objective of large relative a does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Inverted telephoto type wide angle objective of large relative a, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Inverted telephoto type wide angle objective of large relative a will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1600774

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.