Baader SLOAN/SDSS r Filter 2

Baader SLOAN-r' bandpass filter, suitable from f/15 to f/1.8; SLOAN/SDSS (ugriz') photometric filter with transmission range according to SLOAN specification; Manufactured with state-of-the-art ion beam coating technology / Daylight-Proof; Reflection blocker hard-coated and plano-optically polished - with sealed coating edges (Life-Coat); Blackened edges all around, with filter front side indicator in the form of a telescope-side black outer edge; Equally suitable for modern CMOS cameras and for older CCD camera technologies