Warning: for photographic imaging only. Never look into the sun with the K-Line filter without an additional OD-reduction filter.
- For solar work use only with 3.8 AstroSolar 200x290mm Photo Film (included)
- never use any eyepiece filter for solar observation without objective front filter
- non-ageing sealed coating edges
Specifications:
- WEIGHT (KG) - 0.027
- TRANSMISSION RANGE - CaK-II
- FILTER THICKNESS (WITHOUT CELL) - 2 mm
- HBW (HALFBANDWIDTH) - 8nm
- CWL (CENTRAL WAVELENGTH) - 394 nm
- AR-COATING - dielectrically coated, planeoptically polished
- SPECIAL FEATURES - double stacked
- FILTER SIZE - 1 25 inch
- FILTER USAGE - Solar
- FILTER MOUNTED - Mounted (classic 8mm)
- TYPE OF FILTER - Narrowband
- SINGLE OR SET? - Single Filter
- FILTER SHAPE - round
