GSO's parabolic primary mirrors are perfect for those who want to build their own telescopes or replace mirrors in older ones. Ranging in aperture from 6” to 16” and offered in various f-ratios, these mirrors are made from optical grade BK-7 glass.

GSO offers very HIGH quality parabolic mirrors for the people who want to build their own telescopes or DIY project. 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%.

Shop for the best primary and secondary mirrors for your telescope, from your favorite brands like GSO, available here at Agena AstroProducts.

Primary and Secondary Mirror Sets for Your DIY Projects. Guan Sheng Optical (GSO) Manufacturer's Specs Parabolic mirror with matching secondary Diffraction limited BK7 glass 1/16 wave RMS minimum, typically better Aluminum reflective coating Protective coating (SiO2) Reflectivity approximately 93% All mirrors include a center spot

Apr 21, 2023 · Page 1 of 2 - GSO Mirrors - Any Good? - posted in Reflectors: Based on reputation, I just bought a 6 f/8 GSO mirror and secondary from Agena Astro. To my dismay the star test showed a nice diffraction pattern inside of focus. But the extrfocal pattern was just a …

Nov 12, 2014 · GSO Primary Mirrors - posted in ATM, Optics and DIY Forum: Interested in the GSO parabolic primary mirrors that Agenaastro sales. Anyone tried one of them? How well did it perform?

Aug 20, 2024 · Users of these scopes know the excellent quality of the optics included, and they have a well-deserved reputation for being the finest mirrors in their price range. This very smooth mirror surface results in excellent optical performance with practically no light scatter.

This set offers a main and matching secondary mirror for your Newton DIY. When the main mirror is a parabolic mirror made diffraction limited BK7 glass of the renowned manufacturer GSO. The mirrors are aluminized and remunerated (SiO2).

Nov 21, 2013 · Older GSO mirror quality vs new GSO mirrors - posted in Reflectors: I have an older (10yrs) 10 GSO scope that is similar to the Harden dobs. The mirror is in need of recoating. My question is were the old mirrors made of the same type of glass and to the same optical standards or are the newer mirrors better quality?

GSO's parabolic primary mirrors are perfect for those who want to build their own telescopes or replace mirrors in older ones. Ranging in aperture from 6” to 16” and offered in various f-ratios, these mirrors are made from optical grade BK-7 glass.