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Compression Rings vs. Setscrews

Started by telescoper1, 03/01/2007 03:44AM
Posted 03/01/2007 03:44AM Opening Post
Brass compression rings to hold eyepieces are wonderful. I would ask anyone using setscrews to remove and examine the ends of the setscrews for ridges or other bad finishing. Some can be awful. File them down to a smooth, flat, maybe slightly rounded shape, to prevent those nasty little dents or crescent rings on your eyepiece barrels. (Be careful not to damage the threads - they should still reinstall easily.) When you sell your eyepieces you won't have to apologize for them and the buyers will appreciate the undamaged barrels. ($)
Posted 03/01/2007 09:01AM #1
Very good idea Jack. I had'nt thought of that and its very simple.
Thanx, Darrell
Posted 03/01/2007 11:40AM #2
Another thing to do is replace the metal thumbscrews with Nylon thumb screws. As with any of these techniques one has to be careful to make sure the eyepiece/diagonal is not too heavy, it can rotate and/slip.

This works particularly well with DOBs were the eyepiece cannot fall out under normal circumstances.

Of course I don't really worry about this sort of cosmetic detail too much. I don't expect eyepieces to be "minty" when they arrive and after an eyepiece is handled thousands and thousands of times, paint wears off, accidents happen....

jon