BAADER CMOS S-II 4nm F/3 ULTRA-HIGHSPEED FILTER Takahashi Camera connection thread

Camera connection thread

The sensor remain at 25mm from female thread

4 mm BA2961353U SKU 50

It can be used to connect two accessories with M68 female threads or as a zero optical length female to male adapter

The ZWO ASI 533MM PRO is the long-awaited monochrome version of the incredibly popular ASI533MC Pro cooled camera and features a 9Mp back-illuminated CMOS sensor with 91% quantum efficiency at 460nm

BAADER CMOS S-II 4nm F/3 ULTRA-HIGHSPEED FILTER Takahashi Camera connection threadThe 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