Nebula Filter S-II 1.25-inch 6.5nm TargetPlus Depending on the type of

Depending on the type of celestial object

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a moon filter

Each model is waterproof and nitrogen-purged to create an internal environment that is impervious to fog and fine debris

Nebula Filter S-II 1.25-inch 6.5nm TargetPlus Depending on the type ofIn 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,