MOSCA is a direct CCD camera mounted in the Cassegrain focus. The curvature of the focal plane is corrected by a field flattener window. Actually this is the only additional optical element to a desired filter in the light path.
Range: 3300Å to 10 500Å
Optical broad: Bessell UBVRI, SDSS u’g’r’i’z’;(90mm) Strömgren uvby + narrow
Scale: 0.217″/px – FoV: 7.7’x7.7′ [2×2 binning]