Free Astronomy Magazine March-April 2022

Dall-Kirkham ➤ SCHOTT Supremax 33 optics ➤ optical diameter 355 mm ➤ useful diameter 350 mm ➤ focal length 7000 mm ➤ focal ratio f/20 ➤ 18-point floating cell ➤ Feather Touch 2.5” focuser Ritchey-Chrétien ➤ SCHOTT Supremax 33 optics ➤ optical diameter 355 mm ➤ useful diameter 350 mm ➤ focal length 2800 mm ➤ focal ratio f/8 ➤ 18-point floating cell ➤ customized focuser Cassegrain ➤ SCHOTT Supremax 33 optics ➤ optical diameter 355 mm ➤ useful diameter 350 mm ➤ focal length 5250 mm ➤ focal ratio f/15 ➤ 18-point floating cell ➤ Feather Touch 2.5” focuser www.northek.it www.facebook.com/northek.it info@northek.it phone +39 01599521