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

they correct for the prismatic colour fringing that is introduced by the extra optical elements present in the binoviewer with telescopes faster than f/7

6 astrograph with Ritchey-Chrétien optics

The Mewlon 250CRS currently has an extensive lead time

Chromatic aberration 1x MPCC Coma Corrector

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