There is another option outside of Orion but it costs more. Stellarvue sells a correct image finderscope that allows you to use your own 1 1/4 inch eyepieces. Here is a line to them: http://www.stellarvue.com/f50.html In terms of a Telrad, I use a Telrad riser of the 4 inch height and it pretty well eliminates a weird contortion. You can find them at ScopeStuff in either a 2 3/8 or a 4 3/8 inch height. http://www.scopestuff.com/ss_tele.htm
That's what I do, except I make my own finders. The home-made 50mm finder on my 6" Newt uses a 1.25" diagonal and old Edmund RKE-precursor eyepiece of 28mm focal length that I have added a cross-line reticle to. On Sun, Jun 24, 2012 at 11:55 AM, Jay Eads <jayleads@gmail.com> wrote:
There is another option outside of Orion but it costs more. Stellarvue sells a correct image finderscope that allows you to use your own 1 1/4 inch eyepieces. Here is a line to them:
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Jay Eads