Making A Refractor Telescope Norman - Remer Pdf 12 New

To convert Remer's 12-inch Newtonian telescope into a refractor telescope, several modifications are necessary. The primary mirror must be replaced with a lens system, consisting of an objective lens and a corrector lens. The objective lens is responsible for collecting light and forming an image, while the corrector lens ensures that the image is corrected for aberrations.

Variant 9 — Educational Classroom Build

Let me know you would like to explore next! Share public link

Moving from wooden or PVC cells to precision-machined, black-anodized aluminum for better structural stability and reduced stray light. making a refractor telescope norman remer pdf 12 new

The curves of these two lenses must be mathematically calculated to bring two primary wavelengths of light (usually red and blue) to the exact same focal point. 2. Grinding and Polishing the Lenses

If you are looking for a copy, it is frequently found through specialized sellers like First Light Optics or secondhand marketplaces like AbeBooks . Books for building REFRACTORS - ATM, Optics and DIY Forum

by , originally published in 2006 by Willmann-Bell. To convert Remer's 12-inch Newtonian telescope into a

Measuring the depth of a curve (sagitta) is now much easier using digital dial indicators rather than classic mechanical micrometers, drastically reducing human error during the rough grinding phase. Tips for Sourcing Classic ATM Materials

: One of the most shocking revelations in Remer's book is the physics of optical error. A mirror surface must be figured four times as accurately as a lens surface to achieve the exact same wave-front accuracy. This is because light reflects off a mirror (doubling any surface error) but passes through a lens, where the refraction dampens the effect of minor physical deviations. Understanding the Doublet Lens Blueprint

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, Variant 9 — Educational Classroom Build Let me

Do you have , or is this your first ATM project?

A single lens acts like a prism, bending different wavelengths (colours) of light at slightly different angles. This causes —a distracting purple or yellow halo around bright objects.