Askar ColourMagic Ultra 2" Duo-Band E2 Filter - SII + OIII - CM-DUO-E2 vendor-bresser Celestron Spotting Scope''s highly acclaimed

Celestron Spotting Scope''s highly acclaimed Ultima Series is more versatile than ever

This is one of the beauties of the Petzval design

Coatings: Dielectric & Anti-Reflection

Lunt Solar Internal Double Stack Module

This iOptron Photron 16" Truss Tube R-C Telescope will be your go-to instrument for all your imaging and observational tasks for many years to come

Askar ColourMagic Ultra 2" Duo-Band E2 Filter - SII + OIII - CM-DUO-E2 vendor-bresser Celestron Spotting Scope''s highly acclaimedDesigned for deep sky imaging with color astro cameras, the Askar ColourMagic Ultra E2 filter, as the name suggests, includes "Ultra" halo control capability. When shooting deep sky galaxies with colour cameras, a duo narrowband filter in the H and O bands is often used; whereas with a mono camera, a narrowband filter in the H, S and O bands is often used, leaving users with colour cameras missing one band of nebula detail. This can be compensated by