Making A Refractor Telescope Norman Remer Pdf 12 New May 2026

Norman Remer’s " Making a Refractor Telescope: How to Design, Grind, Polish, Test, Correct and Mount a Doublet Lens

A telescope is only as good as its focuser. For a high-f-ratio refractor, a 2-inch Crayford or Rack-and-Pinion focuser is recommended. Ensure the drawtube is long enough to reach focus with various eyepieces but doesn't vignette the light path. Finding the PDF and Resources making a refractor telescope norman remer pdf 12 new

• A 60 mm diameter objective lens with a focal length of 600 mm.
• A 20 mm diameter eyepiece lens with a focal length of 50 mm.
• A 700 mm long telescope tube with a diameter of 100 mm.

• Updated adhesive recommendations (modern epoxies).
• Minor corrections to the Ronchi test section.
• A few new diagrams for baffle placement.

Building a refractor involves several meticulous steps that go beyond the glass itself: Norman Remer’s " Making a Refractor Telescope: How