BAADER O-III 9nm SUPER-G FILTER Size:2" Store the Laser-Colli carefully so

Store the Laser-Colli carefully so that it cannot be reached by children or inexperienced adults

The ESATTO 4" features 76

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

5" field flattener

Very accurate tracking for long exposure unguided imaging

BAADER O-III 9nm SUPER-G FILTER Size:2" Store the Laser-Colli carefully soThe 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