Antares 2" SCT Dielectric Mirror Diagonal with Twist Lock - 2MDS-DTL type-cables-and-computer-accessories Note: The photo shows a

Note: The photo shows a TG12 model Cover for illustration purposes

About the Celestron Oxygen III Narrowband Filter - 1

Light Gathering Power (Compared to human eye): 204 x

The result is a pure magnification increase

Antares 2" SCT Dielectric Mirror Diagonal with Twist Lock - 2MDS-DTL type-cables-and-computer-accessories Note: The photo shows aAntares 2" Dielectric Mirror Diagonal For SCTs W Twist Lock Product Highlights: Antares 2" Mirror Diagonal SCT Employs a Dielectric Type Mirror 99% Reflectivity at 546 nm Reduces Vignetting and has high Reflectivity Twist Lock Type Retainer for Eyepiece Designed for use with SCT Telescopes Black Aluminum Body The Antares 2MDS DTL: 2" Mirror Diagonal with Twist Lock retainer has a multilayer dielectric coating with 99% reflectivity in green (546 nM)