Objective lens system

Optical: systems and elements – Having significant infrared or ultraviolet property – Lens – lens system or component

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

359656, G02B 1314, G02B 100

Patent

active

051424096

ABSTRACT:
An objective lens system for the rays within the ultraviolet region comprising, in the order from the object side, a first lens unit which has a positive refractive power, and comprises a meniscus lens component having a strongly concave surface on the object side and at least two cemented lens components, and a second lens unit which has a positive refractive power and comprises at least two cemented lens components, all the lens elements composing said objective lens system being made of optical materials having, when they are 5 mm thick, internal transmittance of at least 50% for a ray having a wavelength of 300 nm.

REFERENCES:
patent: 4200352 (1980-04-01), Yuta
patent: 4201440 (1980-05-01), Yuta
patent: 4770477 (1988-09-01), Shafer
patent: 4891663 (1990-01-01), Hirose
patent: 4934801 (1990-06-01), Mercado
patent: 5031977 (1991-07-01), Gibson

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

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

Rate now

     

Profile ID: LFUS-PAI-O-389974

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