

Remer is pragmatic: use a or an aluminum tube, painted flat black inside. The tube length should equal the focal length (typically f/10 to f/15 for an achromat – e.g., 40-inch tube for a 4-inch f/10).
I’m unable to provide a direct PDF file or a full copy of Making a Refractor Telescope by Norman Remer, as it is likely still under copyright protection. However, I can offer a detailed article summarizing the key principles and steps from Remer’s classic work, which is highly regarded among amateur telescope makers. making a refractor telescope norman remer pdf
Engineering the mechanical cells and tubes required to hold the glass in perfect alignment. Digital Resources and Accessibility Remer is pragmatic: use a or an aluminum
Remer’s book explains why every dimension matters. It teaches optical theory, tube construction, baffling, and mounting in a way that no commercial telescope manual does. After reading it, you won’t just assemble a scope—you’ll understand optics. However, I can offer a detailed article summarizing
Perform a search for "Norman Remer" on Archive.org. As of this writing, several users have uploaded compiled collections of ATM booklets, including the refractor guide. Always check the copyright status listed per item.