BAADER CMOS H-ALPHA F/2 ULTRA-HIGHSPEED FILTER M54 21 Highest practical magnification

21 Highest practical magnification

This adapter has a M69 male thread on the telescope side and a M68 male thread on the camera side

5" LP and ARCO 3" are a perfect match for applications where backfocus is limited

This allows you to use fewer counterweights to adequately balance your setup

The Control Box that can be embedded in the mount as for the Avalon Linear and M-Uno

BAADER CMOS H-ALPHA F/2 ULTRA-HIGHSPEED FILTER M54 21 Highest practical magnificationThe new Baader CMOS optimized H alpha 3. 5nm 6. 5nm Highspeed F 2 filter is a precision grade narrowband filter with a high transmission at the H alpha line at 656. 3nm. The Highspeed F 2 versions are specifically designed to work very well with modern highly sensitive astronomy cameras and telescopes with extremely fast focal ratios faster than f 2. 3 such as the Celestron RASA astrographs. The ultra narrow 3. 5nm bandpass makes this ideal for