in stock
in stock

Baader 2" colour filter - green

54,62 EUR
excl. VAT
excl. 4,65 € Shipping costs


Baader 2 Colour filter green - 2" - Band pass-Filter 500nm - in robust storage box

Exactly adapted to the highest sensivity of the human eye for night vision!

delivers the most sharp pictures with achromatic and apochromatic refractor objectives (e.g. for double star observations).
Baader green colour filter transmission curve

Fields of use:

  • Enhances the visibility of CO2 hoar frost and fog on Mars
  • Rises contrast between blue and red regions on Jupiter and Saturn
  • Shows best contrast on the Moon at ray craters like Tycho, Copernicus and Kepler

General information on Baader colour filters:

Baader colour filter family Colour filters damp light and glare, enhance contrast and resolution by selective filtering and reduce exhaustion of the observer's eyes.

The more exeperienced an observer is, the more he will like these colour filters. Their effeciveness is depending on divers factors like aperture and focal length of the telescope, the actual magnification and the viewing conditions.

Baader eyepiece filters can be screwed into nearly every eyepiece. Their quality is superior to standard flame-treated colour glass filters and have an effective anti-reflective coating.

The 7-layer anti-reflective coating on both sides with only 0.25% reflectivity per surface is the most complex coating group ever applied to colour filters. The filter substrate (2 mm thick) is screwed in blackened aluminium cells (cell height: 6 mm without external thread, 8 mm with M48 external thread) and comes with a robust filter box. Every filter is suitable for multiple applications.

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