Thumbs Up CSEP-4S - Silver Lenses_Macro B+W filters are constructed from

B+W filters are constructed from high quality Schott glass for increased optical clarity and color fidelity

This extremely elaborate construction is reflected in an unusually high degree of correction

Nevertheless

Revealing the previously unnoticed

non-rotating filter mount Finish Black anodized Overall length to bayonet flange ~144 mm / 5

Thumbs Up CSEP-4S - Silver Lenses_Macro B+W filters are constructed fromThis is a demonstration store. You can purchase products like this from Leica Store Miami. Thumbs Up CSEP 4S has a double cold shoe. You can focus accurately using the camera's viewfinder, then move your eye quickly to a finder mounted on the left hand shoe unlike using a centrally mounted external viewfinder, the views will match, making composition much easier. Using the left hand cold shoe for your finder allows ample room for photographers with