Askar ColourMagic Ultra 2" Duo-Band E2 Filter - SII + OIII - CM-DUO-E2 vendor-bresser This L-Pro Filter is housed

This L-Pro Filter is housed in a 77mm cell that can be threaded onto a camera lens that accepts 77mm filters

more details in celestial objects: This filter cuts out background light and noise beyond the target objects to get better details and contrast in your images

The ZWO ASI991 SWIR operates in the 400nm to 1800 um wavelength

The ASI678MC also offers zero amp glow

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

Askar ColourMagic Ultra 2" Duo-Band E2 Filter - SII + OIII - CM-DUO-E2 vendor-bresser This L-Pro Filter is housedDesigned 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