Bronica 45mm Zenzanon RF F4.0 | | |  |
This is a wideangle 45mm F/4 lens (28mm @ 35mm conversion) with a 75.1° angle of view. The sharp, highly vivid images and high contrast make it a fine example of symmetrical wideangle lens design. Compared with the SLR camera, which requires a quick return mirror between the back of the lens and the film plane, the rangefinder camera allows for a shorter clearance to the film plane. The RF645 takes full advantage of this with symmetrical type wideangle (Super Angulon and Viogon type) optical design. This simple, straightforward design materializes compactness in chassis and improves efficiency in aberration compensation. The reduced distance to the film plane also suppresses the possibility of internal reflection, resulting in a crisper image
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