Optical projection system

Details Optical projection system Optical projection system

1989-03-10

1990-08-14

Bovernick, Rodney B.

350432, G02B 934, G02B 1318

Patent

active

049482386

ABSTRACT:
A first lens, a second lens, means and a third lens means are arranged successively in a direction of travel of a ray. The first lens means each comprising a single lens element power. The second lens means has a predetermined negative refracting power. The third lens means has a predetermined positive refracting power. A fourth lens means consisting of a plurality of lens elements follows the third lens means in the direction of travel of the ray and has a predetermined positive refracting power. At least one surface of the first, second, third, and fourth lens elements is aspherical. The follwoing conditions (1), (2), and (3) are satisfied:

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-458495