: Specialized retailers like Agena Astro and First Light Optics have historically carried it.
: Builders typically work with glass types like BK7 and KZFS1. The process involves using specific abrasives, pitch for polishing, and testing methods to ensure the curves are correct. making a refractor telescope norman remer pdf 12 new
Remer’s work serves as a "coach" for amateur telescope makers (ATMs), guiding them through the transition from making mirrors (for reflectors) to crafting doublet lenses. He argues that making a lens utilizes the same fundamental tools and practices as mirror making—namely grinding and polishing spherical surfaces. : Specialized retailers like Agena Astro and First
: Shaping the two elements of the doublet lens to exact spherical specifications. Remer’s work serves as a "coach" for amateur
: Housing the lenses in a tube, often reinforced with materials like fiberglass for durability, and painting the interior flat black to minimize internal reflections.
Making a Refractor Telescope: The Definitive Guide for Amateurs