Jupiter’s Opposition in July - Great Views through August! [Click here for more information]
Call To Speak To Our Telescope Experts: TOLL-FREE 1-888-427-8766
William Optics - Diagonals
2 inch Star Mirror Quartz Dielectric Diagonals
Ultra High Dielectric 99% reflectivity, Highest precision surface with 10mm-thick mirror. 2"- 1.25" adapter
with brass clamping ring. Inside diameter (48mm): threaded to fit a variety of filters.
Prism - high quality BAK4 with anti-reflection coating, Entirely machined aluminum, 45 degree angle, Prism
clear aperture - 25 mm, 1.25" with brass compression rings, *Design for heavy loading with binoviewer.
Ultra High Dielectric 99% reflectivity, Precision 1/10 lambda surface with 10mm-thick mirror. 2"- 1.25"
adapter with brass clamping ring. Inside diameter (48mm): threaded to fit a variety of filters.