Found it: Norman Remer – Making a Refractor Telescope (PDF, 12th New Edition)
While the full PDF is not legally available for free download due to copyright, you can find the book and related resources through these official channels: 📖 Book Details & Purchase making a refractor telescope norman remer pdf 12 new
Remer focuses on the , which uses two different types of glass (typically crown and flint) to cancel out chromatic aberration—the annoying "rainbow" fringes that occur when different wavelengths of light don't focus at the same point. Found it: Norman Remer – Making a Refractor
For many amateur astronomers, the idea of grinding a lens is often dismissed as an "insurmountable task" reserved for professionals. While thousands of hobbyists have successfully polished parabolic mirrors for Newtonian reflectors, the refractor—prized for its unobstructed, high-contrast images—is frequently overlooked in the DIY world. Norman Remer’s seminal work, Norman Remer’s seminal work, : The book covers
: The book covers everything from selecting glass and abrasives to the final mounting of the lens.
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