Filter Baader Planetarium Neodymium & IR-Cut (Moon & Skyglow) 1,25''

Skyglow Neodymium 1.25'' - universal contrast enhancementThe Skyglow Neodymium is the best contrast filter we know. It is more versatile than any other competing product:Fields of use:-- Moon and Planets: strong contrast enhancement without apparent colouring of the object-- Deep Sky observation: slight contrast enhancement at all objects-- Terrestrial observation: a pleasing contrast filter without colouring the object-- Astro photography: slight contrast enhancement without colour shift, also at blue nebulae ? The Skyglow's filter curve:the curve progression is similar selective like a nebula filter but the Skyglow has more broad band effect.The mode of operation is similar. Disturbing light is reduced but the light of celestial objects can pass.The filter opens in the red around 656.3 nm. This characteristic is important for many objects in the solar system (e.g. Jupiter's great red spot) but also for many deep-sky objects emitting red light.Mechanical characteristics:The Skyglow filter is fine-optically poished and has a high-quality dielectrical coating for maximum image definition.