Charles, Before you dis-assemble your objective, you should perform the star testing first, so you have a base line. Sketch or photograph a bright star ,beforepvalleli
cant see any coatings on any surface of the lenses just by looking into them. I guess I will have to dismantle the lens cell.charlesmitchard
Thanks Richard and Paul. There is a metal spacer ring approx 3-4mm thick separating the lenses so definitely not cemented but did this come with the lenses orcharlesmitchard
Have fun, be kind, play fair, learn, teach, participate.
Here's a contributed photo of a homemade 22 inch tube (before painting) for an Astrograph built by Dave Tandy. The full size photo can be viewed by ATM_FREE members in the "Photos" section. Check out the ATM_FREE Group's discussion for more info on this project and other things we are doing.
- Jun 1, 2002
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