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Old 12-10-2018, 11:56 AM
WilliamPaolini
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WilliamPaolini is offline
 
Join Date: Mar 2014
Location: Virginia, USA
Posts: 49
Quote:
Originally Posted by Wavytone View Post
I appreciate that well Bill, hence why I am toying with the idea of making a ball eyepiece (one element, 1 group) sure the field is small, and an off axis Newtonian (just one reflecting surface). Already have the mirror

I've made two of those for me. Yes the on-axis that is sharp is about 10 degrees...but the contrast in those 10 degrees is unbelievable!!
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