BAADER CMOS S-II 4nm F/3 ULTRA-HIGHSPEED FILTER Takahashi It is possible to autoguide

It is possible to autoguide anyway

4 mm BA2961353U SKU 50

Optiques Fullum fabricates very light custom-designed aluminium and composite structures

The Baader UFC RASA 8" adapter attaches to the UFC Base #BA2459110 with 8 x hex screws for secure and flush fitment and allows you to use UFC Filter Changer with the Celestron RASA 8"

BAADER CMOS S-II 4nm F/3 ULTRA-HIGHSPEED FILTER Takahashi It is possible to autoguideThe new Baader CMOS optimized S II 4nm Highspeed F 3 filter is a precision grade narrowband filter with a high transmission at the Sulphur II line at 671. 7nm. The Highspeed F 3 versions are specifically designed to work very well with modern highly sensitive astronomy cameras and telescopes with extremely fast focal ratios between f 3. 4 and f 2. 3 such as the Sharpstar Hyperbolic Newtonian astrographs. The ultra narrow 3. 5nm bandpass makes this