Baader Planetarium Calsium K-line Filter

Baader Planetarium Calsium K-line filter.

Features:

• Includes 200x290 3.8 AstroSolar Photo film to reduce energy levels at the K-line filter
• Can be used on any telescope (Newtonian, SCT, Refractor)
• Baader's innovative double-stacked filter uses sophisticated coatings to produce a sharp 8nm passband around 395nm
• The K-line filter is fitted like any other 1.25" filter
• Use only for imaging because high UV levels may damage eyes
• Can also be used to image cloud details on Venus

Please enquire when stock is indicated as zero.  Availability is typically within 2 months - please enquire.

 same product as BP_37a_2458355