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in stock

Baader 2" colour filter - yellow

56,30 EUR
excl. VAT
excl. 4,65 € Shipping costs


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.


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