Today Cosina announced five new Voigtlander lenses, one of which is a new Voigtlander NOKTON 55mm f/1.2 SLIIs lens for Nikon F-mount. Pricing and availability were not revealed. Here are the details:
“By reviewing the optical design and the structure around the contacts, we have realized a standard lens equipped with electronic contacts in a lens with a brightness of F1.2, which was generally said to be impossible with the Nikon Ai-S mount. The mount is the Nikon Ai-S mount with built-in CPU. Equipped with an Ai coupler, it is possible to use a wide variety of bodies, from film SLRs of yesteryear to the latest digital SLRs. By reviewing the optical design and the structure around the contacts, we have realized a standard lens equipped electronic contacts with a brightness of F1.2, which was generally considered impossible to produce with the Nikon AI-S mount . S mount with built-in CPU. Equipped with an AI coupler, the lens can be used with a wide variety of bodies, from film SLRs of yesteryear to the latest digital SLRs.”
| Focal length | 55mm |
| Maximum aperture | 1:1.2 |
| Minimum aperture | F16 |
| Lens configuration | 6 groups 7 elements |
| Angle of view | 43.0° |
| Number of diaphragm blades | 9 |
| Shortest shooting distance | 0.45m |
| Maximum shooting magnification | 1:6.2 |
| Maximum diameter x total length | Φ69.0×48.1mm |
| Filter size | Φ52mm |
| WeightWeight _ | 365g |
| Lens hood | Optional hood available |
| mountMount _ | Ai-S (with built-in CPU) Nikon Ai-S (with CPU) |
| Electronic contacts | OnboardAvailable _ |
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