Sold!! A brand new Antares Optics Fused Silica 1.83" Fully Certified Secondary Elliptical Diagonal Telescope Mirror!
Flatness 1/20(.049)wave PV, and 1/110(.009)wave RMS! 20/10 clean. Zygo GPI interferometer certification included! Enhanced aluminum coating, better than 96% reflectance. Using E beam deposition, with ion assist. Coating curve certification as well.
Made of the highest quality fine annealed, low expansion Fused Silica Quartz substrate.
Each part is individually inspected and certified!
Antares Optics is your best resource for Ultra Precision Mirrors, Prisms & Custom Optical Components, when the most radical surface wavefront tolerance is required.
Please note: sizes 3.50" and over are not a stock item." So please contact us to check on availability.)
The retail price for this mirror is $139.99
On sale for $119.99!
Here on Astromart only! Paypal, Money Order, or Bank check work best! Thank you, and clear skies! Mannie