Making A Refractor Telescope Norman Remer Pdf 12 New Online
: A high-index, high-dispersion element that forms the negative, rear-facing lens.
The meticulous process of testing the lenses (often using a Foucault, Ronchi, or knife-edge test) and altering the surface at the nanometer scale to achieve a perfect spherical or aspherical shape. 3. Fabricating the Lens Cell
Remer's book is a masterclass, but it's honest about the challenges. Its provided prescriptions stop at 8 inches. Why? A 12-inch refractor is an enormous leap in complexity and cost.
For those interested in building a refractor telescope based on Remer's design, a PDF guide is available online. The guide provides detailed instructions, diagrams, and specifications for building the 12-inch Newtonian telescope, which can be easily converted into a refractor telescope.
by Norman Remer is the definitive, hands-on masterwork for amateur astronomers seeking to design, grind, polish, and mount their own high-performance doublet lens system. While building a reflecting telescope using a parabolic mirror is common, crafting an unobstructed refractor has historically been viewed as a nearly impossible challenge for hobbyists. Norman Remer's landmark book dismantles this myth, proving that the exact same basic tools and fundamental practices used for mirror-making apply to crafting precision lenses. making a refractor telescope norman remer pdf 12 new
As noted in comparative studies on Astro-Photography , refracting telescopes offer unique advantages:
Some readers noted that while it is excellent for lens design and fabrication, they sought additional outside resources for advanced OTA (Optical Tube Assembly) construction details like baffle placement and complex mounts. Summary of Ratings Goodreads Goodreads Open Library Open Library
containing Excel spreadsheets for refractor design programs, helping users calculate specific curvatures and spacings. Achromatic Focus : The book focuses on doublet lenses. Reviewers on Cloudy Nights
: Remember that managing four surfaces takes roughly four times the processing time of a standard Newtonian mirror—but the resulting contrast is unparalleled. : A high-index, high-dispersion element that forms the
LIGHT [ CROWN LENS ] [ FLINT LENS ] ======> __ __ __ __ ======> ( ) ( ) ( ) ( ) ======> FOCAL POINT ======> ~~ ~~ ~~ ~~ (Convex) (Concave) Analyzing Remer's Chapter 12 Prescriptions
If you are inspired by Norman Remer's philosophy to build your own refractor telescope, map out your journey using this baseline phase approach:
The manual meticulously details how to walk through the abrasive grits, starting from aggressive silicon carbide to ultra-fine aluminum oxides. Remer focuses heavily on the mechanics of the stroke, ensuring that the worker achieves the precise radius of curvature ( R4cap R sub 4 ) required by the optical formula. 3. Polishing and Figuring
suggest it may not be the best first book for absolute beginners in optical design. Practical Warnings Fabricating the Lens Cell Remer's book is a
The text is known for demystifying lens making, which many amateurs traditionally avoid in favor of mirror-based Newtonian telescopes. First Light Optics Key Topics
Despite the extra surfaces, the refractor offers significant advantages:
The book you are looking for is likely: Making a Refractor Telescope Author: Norman Remer Publisher: Willmann-Bell (often associated with the "new" standard in telescope making guides).
: Unlike reflectors, refractors do not have a secondary mirror hanging in the middle of the tube. This elimination of central obscuration results in superior high-contrast images, making them pristine instruments for planetary, lunar, and double-star viewing.