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Old 31-05-2009, 04:20 PM
Tallstock (Peter)
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Tallstock is offline
 
Join Date: Jan 2009
Location: Dungog NSW Australia
Posts: 102
HOORAY!

Thanks to Barry, JethroB76 and Robert9. Thanks also to Mike for the upload space.

The Ocular module works -- I now get images that approximate my view through the different eyepieces. Phew.
Now, how to correctly calculate Exit Pupil..........any suggestions?

I have a 8" (200mm) Dob f/6 1200fl and use 25mm (48x mag) and 10mm(120x mag) eps. Sometimes I use a 2x Barlow.
My SW Manual says Exit Pupil = Diameter of mirror divided by ep magnification. So my 25 ep is 200/48x= 4.166 whilst the 10 ep = 1.66
Have I got this right?
Peter
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