in stock
in stock

Baader 2" colour filter - dark blue

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


Baader 2" colour filter - dark blue

Baader 2" colour filter - dark blue

♦ Dark blue bandpass filter 435nm. Filter for visual and photographic planetary observations.
Better detection of the phasing of Venus

♦ The violet clearing on Mars can be seen better

♦ For observing the Great Red Spot on Jupiter, enhances contrast between bands and zones on Saturn

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


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