Quote:
Originally Posted by Daniel Mounsey
.... Ironic since it's devastating to images depending on the angle. I would definitely stick to solid tubes when practical. They hold collimation better as well.
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ok, i dont own an open tube Newtonian so this is just out of interest, would the degradation be in the order of say 5% at worst (compairing to a theoritical 100% perfect image)? when you say images do you mean visual? thanks for the input.
Roger