ANTLIA Ha 4.5nm EDGE NARROWBAND FILTER Size:31mm The GEM28 is equipped with

The GEM28 is equipped with the latest advanced GOTONOVA® GOTO technology

The QHY CFW3 Large is a motorized filter wheel designed for 7 filters with a size of 2" and 7 unmounted filters with a diameter of 50mm

The Geoptik 5kg counterweight is a high quality counterweight with an internal diameter of 25mm

the Moon and the Sun (only with additional energy rejection)

PLLANSU235P

ANTLIA Ha 4.5nm EDGE NARROWBAND FILTER Size:31mm The GEM28 is equipped withThe Antlia H Alpha 4. 5nm Edge narrowband filter has the same excellent transmittance characteristics as their 3nm Pro series but at a more affordable price. The 4. 5 nm bandpass is only 1. 5% of the entire visible spectrum, increasing the signal to noise ratio and delivering high contrast images and extremely dark backgrounds. To even further enhance the contrast, and suppress the stray light and internal reflections, Antlia applies edge blackening