Abstract
This paper discusses the optical layout of a three-lens isoplanatic focal-length converter for a catadioptric telescope with a meniscus corrector. Using a focal-length converter for a commercial telescope with entrance-pupil diameter 250 mm as an example, its possibilities and limitations are discussed.
Full Text 
Sign-in/Register to access full text options
Sign-in/Register to access full text options 
Published version (
Free)
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
