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
This product was added to our catalog on Wednesday 12 July, 2023.