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