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maureenford
scholastic sledgehammer
Reged: 04/27/05
Posts: 756
Loc: New Paltz, NY
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Re: Collins I 3
12/15/07 11:00 PM
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Bob,
What size primary lens do you have on your Collins? I gather from the Collins web site that each component is purchased separately - the image intensifier, the primary lens and the adapter. (So it's more than $3000) The web site is confusing because there is conflicting info on it. What is the AFOV of the 25 mm eyepiece? One page says 35 degrees and another page says 40. One page says there is a 12mm primary lens and another says it's 15mm. It also says the AFOV is 80 degrees! Obviously I'm trying to calculate the TFOV. Also have some concern about bringing the eyepiece to focus. I have a relatively low profile focuser (2") Any additional info would be appreciated.
Thank you so much,
Maureen
--------------------
Discovery 12.5" TD on Scopebuggy
with Argo Navis and Feathertouch focuser
27mmPan, 13mm & 8mmEthos, 6mm Radian
Howie Glatter laser and Blug
Coronado PST
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