Voigtlander Wide Angle Lens ULTRON Vintage Line 28mm F2 Aspherical Type II VM BLACK Leica M mount. Lens configuration :10 sheets in 7 groups? Angle of view :74.51 °? Number of diaphragm blades :10 sheets? Shortest shooting distance :0.5m? ~ 0.7m (depending on the camera)? Maximum diameter x total length :? 52.0 × 36.0mm? Weight :230g The ULTRON Vintage Line 28mm F2 Aspherical VM is a compact wide-angle lens with 10 elements in 7 groups. By adopting the latest optical design and aspherical lens, the filter diameter is as small as? 39 mm and the total product length is 36 mm (from the ...