2" Variable Polarizing Filter Series_92° Made from matte black anodized

Made from matte black anodized aluminum

control knob with knurl

and from insects

The 8x magnification offers a stable

Especially with inexpensive but powerful Newtonian telescopes

2" Variable Polarizing Filter Series_92° Made from matte black anodizedUniversally applicable variable polarizing filter with 2 "filter thread. This variable polarizing filter allows continuous adjustment of image brightness . This is very helpful to strong contrast differences compensate individually to various observation objects. Especially with the Lunar and planetary observation but also in solar observing this prevents filter a blooming of the finest details. Sun observation only in connection with a suitable sun