Nebula Filter S-II 2-inch 12nm spo-enabled Lightweight and portable for easy

Lightweight and portable for easy handling in the field

You may be startled at the amazingly wide expanse of inky black sky you behold the first time you bring your eye to a 100° Series eyepiece

The soft deep red glow from the LEDs lets you see under dark starlit skies without ruining your night vision as you make adjustments to your equipment

lightweight

Excellent value with dependable optical performance

Nebula Filter S-II 2-inch 12nm spo-enabled Lightweight and portable for easyIn addition to the turbulence in the air, the brightening of the night sky is the greatest obstacle to observing faint objects beyond the solar system. Street lights and other artificial lighting mean that the sky in human settlements is no longer properly black. As a result, the contrast and thus the perception of the deep sky objects also suffer. Depending on the type of celestial object, however, part of the interfering light can be filtered out,