Making A Refractor Telescope Norman Remer Pdf 12 New _verified_

: Excellent, highly portable starter projects that feature highly forgiving construction tolerances.

A beautiful lens is useless without a stable home. The final chapters explain how to engineer an adjustable cell that holds both lens elements securely without squeezing them (which causes pinched optics). Tiny foil spacers or specialized optical oils are introduced between the elements to maintain the correct gap distance. Buying Options and Digital Resources

While a classic, small-aperture starter telescope might use a modest 60mm lens configuration, custom ATMs often scale up to larger, custom dimensions like a or a 6-inch (152mm) f/15 configuration . Design Parameter 5-Inch (127mm) f/12 Achromat 6-Inch (152mm) f/15 Classic Primary Use Case Planetary/Double Star Tracking High-Resolution Lunar Observation Focal Length Glass Combination Ohara BSM51 / TIM2 (or Schott BK7 / SF1) N-BK7 / N-SF1 Color Control Good balance of length and correction Exceptional chromatic correction Tube Portability Manageable for medium equatorial mounts Requires heavy, fixed pier/tripod Step-by-Step Optical Fabrication Process 1. Sourcing Blanks and Grinding Tools making a refractor telescope norman remer pdf 12 new

If you need a from the book, I can explain the general principle based on known ATM techniques – just ask.

: Spanning 408 pages , it covers the entire process of building an achromatic doublet lens from scratch. : Excellent, highly portable starter projects that feature

Once you find the PDF, here is why it’s considered an interesting essay rather than just a manual:

Cloudynights, Willmann-Bell forums, and local Astronomy Clubs often have library copies or legal resource links for active builders. 5. Alternatives and Modern Complements to Remer's Book Tiny foil spacers or specialized optical oils are

: It includes specialized Excel spreadsheet programs on a CD-ROM to help builders design lenses corrected for color, coma, and spherical aberration.

Variant 3 — Intermediate 80/600 Apochromat Lite

❌ – physical copies are rare and expensive ($100–200 used). ❌ Outdated supplier list – many surplus lens sources are gone. ❌ No digital edition – so any PDF is a bootleg scan (often poor quality). ❌ Assumes advanced machining skills – not for the casual hobbyist. ❌ Heavy focus on 60–100mm objectives – larger sizes get less detail.