The Apo-Sironar Digital 45mm f/4.5 Rollei Elec Lens features an electronic shutter that is more compatible with digital backs than the standard Copal shutters.
This Lens is a part of the Rodenstock Family of lenses that provide photographers with an exhaustive spectrum of focal lengths for digital shots in the very highest imaging quality with adjustable professional cameras. The fine gradation of focal lengths meets the demands of every motif and all chip or scan back formats. Focal lengths from 35 mm mean that real wide-angle shots are possible, even with the smaller area sensor sizes, while still allowing large movements. All Apo-Sironar digital lenses are characterized by excellent sharpness and brilliance together with total freedom from color fringes in real apo quality.