ZWO ASI533MM [MONO] Geoptik F-ratios of F/9 and higher

F-ratios of F/9 and higher will offer a dimmer visual view and may only be bright enough for photographic applications

The Mewlon 250CRS currently has an extensive lead time

Note: Precise alignment of each telescope may require an X-Y or tip-tilt positioning system

1 x S-FPL53 lens in the centre

5mm from the M69 x 1 female thread

ZWO ASI533MM [MONO] Geoptik F-ratios of F/9 and higherThe ZWO ASI 533MM is a monochrome un cooled camera for planetary imaging and EAA and features a 9MP back illuminated CMOS sensor with 91% quantum efficiency at 460nm. The ZWO ASI 553MM contains the Sony IMX533 CMOS monochrome sensor which has a diagonal of 15. 99mm and a resolution of 9 MP. The Sony STARVIS back illuminated sensor technology is highly sensitive and has exceptionally low read noise. ZWO cameras incorporate a 256MB DDR3 memory buffer