Sky Mentor Light Pollution Filter - 2" - TA-301-3 Mirror Diagonals Svbony UV/IR Cut Filter -

Svbony UV/IR Cut Filter - 1

Field of View:  1

The high-resolution geared stepper motor lifts and supports telescope equipment weighs up to 6 kg

It can be used for astronomy

hands-free view

Sky Mentor Light Pollution Filter - 2" - TA-301-3 Mirror Diagonals Svbony UV/IR Cut Filter -Sky Mentor Light Pollution Filter 2" The Sky Mentor Light Pollution Filter is a 2" specialty filter that blocks the visual spectrum except for wavelengths between 480 nm and 510 nm. This type of blocking filter is also known as a Nebular or ALP (anti light pollution) or an LPR (Light Pollution Reduction) filter. This particular transmission characteristic allows passage of ionized oxygen and hydrogen lines, but blocks light pollution sky reflectance