... I would surmise, then, that you use RMS wavefront error as your primary merit function, as, pretty consistently, when I use RMS spot size, ZEMAX drives to...
No, for designing telescopes I routinely use RMS spot size most of the time and sometimes RMS wavefront at the end. I never found that an equal convex/concave...
Kutter, in his book on Schiefspieglers came upon the idea of dividing the corrector lens into two lenses that are equal in radii for concave and convex...
Dave, The first paragraph is about cylinder lenses which aren't very attractive IMHO. In the second paragraph it sounds like Kutter is refering to the design...
... I get the prescription given in version 5 in the rflrs directory. The RMS spot size is quite within the Airy disk. However, the radii are about as 'tween...
Very interesting! I didn't think it would work. However it isn't as good as the plano convex/concave version esecially if you achromatize it. Also it doesn't...
Ed, I agree, I just don't know how you go about determining the position and focal length of the lenses in your design or does Zemax determine it by...
Dave, I'm not a theoretical optician but there is no doubt some theoretical relationship describing the power of the lenses, tilts and BFL for a given amount...
Richard, I meant to achromatize it by changing the second radius. I've been trying to learn OSLO and have some questions. I've been looking at the 8 inch...
... When you get the spot diagram up: 1) < Right click on window >< Re-calculate using new parameters > < Show Airy disk in plot > ... In order to get this...
... We did deliberately increased the primary tilt to move the fold flat out of the beam. I would guess that the other tilts would tend to increase to match...
Hi, New guy here. I was looking through the Files section and saw .TXT files which contain the Zemax output for a lot of the designs posted. Except for the...
Hi Ed! The spread sheet you provided gives what appear to be Cartesian coordinates for each device in the optical path. I've placed devices assuming...
Art, Yes they prescriptions have the Cartesian coordinates for the vertices referenced to the optical axis and 0,0 at the primary mirror. The tilts may be...
... Actually, it was Mike's file that gave me half of the need. I had never used "tilt and bend"; it actually saved two surfaces. (BTW, I have a nice little ...
Ed, It would be of great help if you could either publish the data so each element is listed in global coordinates with it's front surface listed ( the rear...
... each ... listed ( ... are not ... I have taken Mike's original file and generated a prescription text file including the surface data, surface detail and...
Dave, I uploaded my 12 inch CHief prescription in an Excel spreadsheet with global coordinates for all the surface vertices and the Z and Y intercepts of the...
Hi Ed! Those two lenses that are used to correct the image, are they both in a seperate housing like an eye piece and fixtured in place? Or, are they mounted...
Art, I mount each lens on a separate board connected by a hinge. Each board can be tilted individually by a long threaded rod that pushes each rod. These are...
Art,   I'm having trouble replying to your email. Here is how I made the lens holders for an 8 inch. Ed ... From: Art Bianconi <artbianconi@...> ...
Ed, When you get a chance I think it would be interesting to get an overview of exactly how you make these lenses. There's so little out there on ATM lens...
Tony, The best advice is to buy them when you can or in the case of larger lenses buy at least the convex lens and make the concave lens since there are so few...
Hi Ed- I just wanted to thank you for responding to my long focal mirror posting on CN mirror making forum. Kevin F. sent me your group link so I thought I'd...
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