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Luckily David and I purchased our Moonlight focusers when the dollar was high. My focuser was good in use but sometimes there was a 1/2 mm play in it when the 20D camera was attached unless I was very careful in locking it down. This occasionally led to some off axis aberation (star elongation) for some shots. Thats why I went for the moonlight focuser and Im soooooo glad I did. I just didnt want to fiddle around in the dark etc. Now the scope cant be faulted.
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