The most direct interpretation is the desire to build a 12-inch (300mm) refractor. While Remer’s book provides prescriptions up to 8 inches, the fundamental principles and advanced testing techniques he teaches apply directly to making any size. A 12" objective is a monumental, professional-grade instrument. The book provides the optical knowledge needed to even consider such a project.
💡 : Making a refractor lens is similar in practice to making a telescope mirror, though it requires finishing more surfaces (all of which are spherical). If you'd like, I can help you: Find suppliers for glass blanks or abrasives. Explain the difference between doublet and triplet lenses. making a refractor telescope norman remer pdf 12 new
Mastering the specific strokes (normal, over-center, and chordal) required to achieve a spherical surface. The most direct interpretation is the desire to