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Baader 2" colour filter - yellow

Name: Baader 2" colour filter - yellow
Brand: Baader
SKU: BA2458311
Price: 75 EUR
Rating: 5 (1 reviews)

Yellow long pass filter 495nm. Suppresses the secondary spectrum (blue component) in achromatic and semi-apochromatic refractor objectives (image sharpness is increased).

The contrast of the lunar and Martian surfaces is increased.

The filter also increases the contrasts between the bands and zones of the Jupiter clouds

With larger instruments of 8" aperture and larger, details on Saturn can be seen.

7-layer antireflection coating on both sides with only 0.25% residual reflection per area represents the most elaborate coating (= antireflection coating!) ever undertaken for color filters.

Low profile filter cell - height only 6 mm

Manufacturer: Baader

Product number: BA2458311

EUR 75,00

incl. 19 % VAT (DE)

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excl. 6.95 € shipping costs (DE)

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rating: 5.0 of 5

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Baader 2" colour filter - yellow

Baader 2" colour filter - yellow

Yellow long pass filter 495nm. Suppresses the secondary spectrum (blue component) in achromatic and semi-apochromatic refractor objectives (image sharpness is increased).

The contrast of the lunar and Martian surfaces is increased.

The filter also increases the contrasts between the bands and zones of the Jupiter clouds

With larger instruments of 8" aperture and larger, details on Saturn can be seen.

7-layer antireflection coating on both sides with only 0.25% residual reflection per area represents the most elaborate coating (= antireflection coating!) ever undertaken for color filters.

Low profile filter cell - height only 6 mm

Details..
Technical data..
In the box..

General information on Baader colour filters

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 mounts and comes with a robust filter box. Every filter is suitable for multiple applications.

Diameter:	2"
Low profile filter cell:	height only 6 mm

Baader color filter yellow 2"

Reviews

Written by Gabor Juhasz
on 2019-12-11

"Great quality filter, massively increases contrast in fast (f/6 and faster) doublet refractors. By nature of the filter it colors the picture in the eyepiece to yellow. Violet and blue chromatic aberration is completely eliminated, due to this big magnifications can be achieved with fast doublet refractors. Recommended product."

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Baader 2" colour filter - yellow

General information on Baader colour filters

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