Properly designed support pad position for your mirror minimizes stresses (deformation) of the glass. We design mirror cells individually to achieve its best performance based on its unique dimensions. Mirror focal length or ratio. Made from CNC precision cut 18mm Baltic Birch plywood; excellent rigidity and lightweight. Mirror plate front surface to rear of back plate surface dimension: 2.25.Collimation knobs length from back plate: 0.9375. Total front to back compressed measurement: 3.1875. Cell has 6 points supporting mirror 1/8 above cell's top plate. Mirror is secure using round ended mirror clips sitting 1/8" above and extending 1/2" over mirror surface. Cell mounting through 1/4" holes 0.354" forward in the back plate spokes. Cell back plate accepts a cooling fan. Requires minimum 9.5 I.
The item "8 Primary Mirror Cell with Custom High Performance specs" is in sale since Friday, October 12, 2018. This item is in the category "Cameras & Photo\Binoculars & Telescopes\Telescope Parts & Accessories\Telescope Mirrors & Prisms". The seller is "astrogoods" and is located in Los Gatos, California. This item can be shipped worldwide.