BAADER O-III 9nm SUPER-G FILTER Size:2" Very accurate tracking for long

Very accurate tracking for long exposure unguided imaging

Connection telescope side M68 x 1 male

From 106 gain and higher

3 Megapixels 1280 x 1024 Pixel size 5

its oversized secondary mirror provides a large illuminated field that is ideal for large camera sensors

BAADER O-III 9nm SUPER-G FILTER Size:2" Very accurate tracking for longThe Baader Oxygen III 9nm Bandpass filter is specifically designed for visual observation of planetary nebulae and supernova remnants under bright skies as well as imaging with colour CCD and CMOS cameras. Much like the H alpha 20nm filter, the O III Super G filter acts as an exceptional high contrast Green filter for RGB imaging with both mono and colour cameras. While regular green filters suffer from bad seeing due to air turbulence, this filter's