Thread: Ngc253
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Old 25-08-2010, 07:07 AM
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DavidTrap (David)
Really just a beginner

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Join Date: Jun 2009
Location: Brisbane
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Quote:
Originally Posted by MarkA View Post
David, my LX200 it is the ACF model, I’m imaging at full focal length of 2000mm.
I do have the Meade 6.3 reducer unfortunately in my configuration - Optec focuser + LX200 OTA the 6.3 reducer is in conflict with the back focus making a warped image. I’m sure there is a fix for it but beyond my capacity.
Again, very impressive to see such quality at 2000mm focal length. My understanding is that the Meade ACF optics and their 6.3 focal reducer are "incompatible" - the reducer tries to flatten an already "flat" field.

There is little info on the web about what reducer to use with corrected SCTs - I think the optec next-gen reducer is meant to work, or there is an Astrophysics reducer.

DT
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