GIOTTO 220 & ALTO-1 MOTORIZED COVER Plossl A great alternative use of

A great alternative use of your camera lenses for wide field astrophotography

Baffles have been added to increase contrast and AR coatings are optimized for the 656nm wavelength

etc threads

7mm measured from the end of the housing

25" Filter Adapter easily screws into the camera body on small ASI cameras with an internal T2 thread

GIOTTO 220 & ALTO-1 MOTORIZED COVER Plossl A great alternative use ofThis bundle includes the Prima Luce Lab GIOTTO 220 flat field generator & ALTO 1 motorized cover, allowing you to completely automate acquisition of flat calibration frames. With the addition of the ALTO, it also can be used as a remotely controllable cover to protect the telescope when not in use. The GIOTTO is an ASCOM and Wi Fi controllable flat field generator designed to provide consistent and repeatable flat calibration frames. The GIOTTO 220