Planetary Filters

Opotlong 7 Filter LRGB SHO Filter set

Adjust the brightness level of the Moon, Venus, and other bright objects with the Optolong Variable Polarizer.

Venus-U filter makes it possible to obtain photographs, CCD or video images in the UV-A (320-400nm) and observe Venus’ cloud structures.

Blocks wavelengths below 670nm to enhance contrast and surface detail and reduce the effects of seeing when used in IR-LRGB imaging of the moon and planets

This Optolong LRGB/H-Alpha filter set combines everything you need for stunning planetary and deep-sky observations.

The LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colors

The CLS-CCD broadband filter is designed to improve the visibility of various deepsky objects.

The CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects.

Optolong Clear focusing filter is designed to highly pass the visible spectral region 420-680nm at 98.5% transmission

Designed for nebula observation allowing 12nm bandwidth of light centered on a wavelength of 486nm through

Darken the background sky by blocking light transmission from skyglow