Nebula Filter S-II 1.25-inch 12nm 62-series-eyepieces The L-Pro filter uses a

The L-Pro filter uses a precision coating based on ion deposition coating technology

Comfortable handle with adjustable strap ensures steady grip

25" UHC Range from 458nm to 508nm with peak at 488nm

Supplemental 2

the infrared illuminator

Nebula Filter S-II 1.25-inch 12nm 62-series-eyepieces The L-Pro filter uses aIn 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,