Telephoto zoom lens system

Details Telephoto zoom lens system Telephoto zoom lens system

1984-09-06

1988-04-26

Corbin, John K.

350423, G02B 1514

Patent

active

047400633

ABSTRACT:
A telephoto zoom lens system comprises eleven lens elements including a fourth lens group (relay lens system) of a three-group three-element arrangement. The telephoto zoom lens system covers a range of from quasi-telephoto setting to telephoto setting, has a zoom ratio ranging from about 2.5 to 3, and an F number ranging from 4 to 4.5.

REFERENCES:
patent: 4017161 (1977-04-01), Tsuji
patent: 4372654 (1983-02-01), Fujioka et al.
patent: 4395092 (1983-07-01), Itoh
patent: 4468098 (1984-08-01), Itoh

Affiliated with

Also associated with

Rating

Telephoto zoom lens system does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-816520