Segmented mirror for diy dobsonian telescope Hello everyone, I was looking into making my own dobsonian telescope but have no clue how to grind a parabolic mirror. Use a 1 1/2" secondary if this is your first telescope. This is an example of a 6-point cell for a 13.1" mirror and optimized with Plop. ... Mirror Cells: All aluminum mirror cells for traditional "round" optical tube assemblies. mirror for this telescope. All mirrors have a reflective aluminum coating with … So I was curious about getting something cut into smaller hexagonal mirrors and making an array out of them. There are 2 ways of heating the secondary mirror of Newtonian telescope: Attach some sort of heating element to back of the mirror itself, or wrap a heating strap around mirror holder. Optics special offers. The SC will work with any of the common telescope mountings -- Dobsonian, German equatorial or Fork. Telescope mirrors, equipment for astro photography, focusers and spiders, star diagonals for dobsonians. MIRROR CELLS . Cooling a reflector telescope is extremely important, especially if its fairly large (over 8"). The extra large secondary mirror will allow for less-than perfect construction. I decided to permanently attach a heating strap with a power connector to the mirror holder, in a way it doesn't interfere with telescope's aperture. TELRAD FINDER & RISERS We can help you make your new Dobsonian telescope project a success. To attach the secondary mirror: Buy a small tube of silicone glue and attach your secondary mirror to a 45 degree angle piece of steel drilled to accept a 1/4' bolt. Astronomy telescopes and Dobsonian telescope kits, parabolic primary mirrors, secondary elliptical flat mirrors, eyeieces, barlow lenses, filters, finder scopes and Telrad sights. GUSSETS, BRACES & FEET . FOCUSERS. GSO's parabolic primary mirrors are perfect for those who want to build their own telescopes or replace mirrors in older ones. This gave the Dobsonian telescope the reputation of being just a "light bucket"; slang for a scope that was gathering lots of light, but was sloppily spilling it into an optical mess. Every part we manufacture for our own telescopes is now available to you. Browse an extensive selection of astronomy equipment at TRUSS CLAMPS . Parabolic mirror: GSO offers very HIGH quality parabolic mirrors for the people who want to build their own telescopes or DIY project. ALTITUDE BEARINGS . OEMs are welcome to contact us for production quantities. We are your source for astronomy telescopes, eyepieces, astroimaging cameras, and more! Yes, it works with equatorial platforms too.--$295 plus$10 postage. TELESCOPE ENCODERS. The parabolic mirror size from 6" to 24", all of these mirrors were made by BK7 or Quartz quality optical glass, all mirrors have an enhance aluminum reflective coating, reflectivity is approximately 93%. Ranging in aperture from 6” to 16” and offered in various f-ratios, these mirrors are made from optical grade BK-7 glass.