in stock
in stock

Astronomik CLS Filter 27 mm, unmounted

57,98 EUR
excl. VAT
excl. 4,65 € Shipping costs


Astronomik CLS Filter 27 mm, unmounted

An inexpensive filter that works against light pollution effects when viewing Deep-Sky objects with small telescopes.

♦ 92% transmission for H-beta and the two [O III] lines

♦ 97% at H-alpha

♦ Transmission ranges: 450 nm - 540 nm and longer than 650 nm

♦ Suitable for small telescopes and astrophotography

♦ Parfocal with other Astronomik filters

♦ Completely resistant against high humidity, scratches and aging effects

♦ Fine-optical polished glass

♦ 10 years warranty by the manufacturer

♦ Connection: round filter 27 mm, unmounted

♦ No protective ring!


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