Finite conjugation large-aperture lens with aspherical surfaces

Details Finite conjugation large-aperture lens with aspherical surfaces Finite conjugation large-aperture lens with aspherical surfaces

1990-02-22

1991-03-26

Sugarman, Scott J.

G02B 304, G02B 1318

Patent

active

050023748

ABSTRACT:
A finite conjugation large-aperture lens with aspherical surfaces having aspherical first and second surfaces which meet the condition of the following formula (1) and satisfying the conditions of the following formulae (2) and (3):

REFERENCES:
patent: 4027952 (1977-06-01), Hugues
patent: 4449792 (1984-05-01), Arai
patent: 4571034 (1986-02-01), Nakamura
patent: 4641929 (1987-02-01), Braat
patent: 4671623 (1987-06-01), Chikuma
patent: 4743093 (1988-05-01), Oinan
patent: 4765723 (1988-08-01), Takamura
patent: 4768867 (1988-09-01), Suda
patent: 4772105 (1988-09-01), Takada
patent: 4842388 (1989-06-01), Tanaka et al.
patent: 4902113 (1990-02-01), Ishiwata
patent: 4902114 (1990-02-01), Arai

Affiliated with

Also associated with

Rating

Finite conjugation large-aperture lens with aspherical surfaces does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Finite conjugation large-aperture lens with aspherical surfaces, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Finite conjugation large-aperture lens with aspherical surfaces will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-613345