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Hhmmmmmmmmmmmm, interesting side affect Mike, and one which I agree, we should kick into touch.
The eyepiece concept is primarily to allow some latitude with seeing. I normally simply grab the 2.5x Powermate (or with the 10" f5 newt, the 5x Powermate) and shoot. This gives about f30, & f 25 respectively, but with slightly different image sizes.
If the seeing isn't up to speed then I can reduce the image scale by using E/P projection instead.
Here's the plan. I will try this again, same night, same scope, same focus, and same Powermate, with the only change being the use of Raw/Non-Raw/Optimised Colour. Then we may get a decent comparison.
I suggest you try this as well, or others. I am actually happy to just play dead, and stick with "normal" (makes a change to have some normality), but then again it bugs me when I can't make it happen.
Hopefully some of the other diehards will have a crack at this as well.
Gary
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