Hello Robert May and others,,

I think I may have found an optical design that might be useable with this primary I have.

Remember it is a 15" f-1,, (well almost f-1 it has a radius if 32" so it has a 15" focal length) Now for the problem at hand,, exacting design paramaters.. for the relay lens section, as well as if the "secondary" should have any curve at all. This scope is claiming to be all surfaces are shperical, and with a 15" f-1 I'm glad of that.

But does anyone out there have any specs as to anything dealing with this scope. The only place on the web I have found so far are the addresses below and the link.. the drawing below is from the gentleman that is building one now. He hasn't answered an e-mail I sent so far.. and I dont know if the drawing is to scale or not,, but if it is it looks as if his primary will be a f 3.5 or so..

can anyone help me with this project,, and or if you think it is possible? Thanks a lot!!

Joe

http://hometown.aol.com/jdupton/dilworth.html

• Dilworth Relay Telescope

• Re: Dilworth Relay Telescope - bobmay - January 3, 2000 - 18:09 UTC