This filter permits the effective use of tremendously fast optics for maximum contrast imaging of emission nebulae for the first time. By using this Baader filter when imaging between f/1.8 and f/3.5 shows a major improvement as compare to any regular set of narrowband filters. Baader’s Anti-reflective coating technology, ¼ Wave fineoptical polish, Ionbeam hardened coatings and fully sealed coating edges for long life, and low-profile cells. The Baader highspeed narrowband filters have a CWL preshift which matches f/2 to to f/3.5 and the FWHM is also optimized.
Features:
Specification:
Kit content
Baader 1.25inch f/2 Highspeed-Filter O III with LPFC-mounted
Manufacturer's Warranty
Instruction / User Manual