Eyepiece system

Details Eyepiece system Eyepiece system

1996-01-11

1998-08-04

Epps, Georgia Y.

Optical: systems and elements

Lens

Eyepiece

359646, G02B 2500

Patent

active

057903131

ABSTRACT:
An eyepiece system includes a single positive lens and a cemented lens assembly having a positive biconvex lens and a negative lens cemented thereto, in this order from the object side. The eyepiece satisfies the relationships defined by d<0.3f, and f.sub.1 >1.5f, wherein "d" represents a distance between the single positive lens and the cemented lens assembly, "f" a focal length of the whole lens system, and "f.sub.1 " a focal length of the single positive lens.

REFERENCES:
patent: 3202050 (1965-08-01), Seidenberg
patent: 3519333 (1970-07-01), Takahashi
patent: 3545844 (1970-12-01), Takahashi et al.
patent: 3554629 (1971-01-01), Takahashi
patent: 3795437 (1974-03-01), Sugiyama
patent: 3994570 (1976-11-01), Sussman
patent: 4017159 (1977-04-01), Sussman
patent: 5059004 (1991-10-01), Matsumara
patent: 5155629 (1992-10-01), Ito et al.
patent: 5162945 (1992-11-01), Matsuo et al.
patent: 5202795 (1993-04-01), Kashima
patent: 5488512 (1996-01-01), Muchel
patent: 5557463 (1996-09-01), Ueno

Affiliated with

Also associated with

Rating

Eyepiece 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 Eyepiece system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Eyepiece system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1184084