The Nokton 58mm/f1.4 SL-II (AiS) is the revised version of Cosina's 2003 limited edition 58/1.4 Topcor. The initial release of 1600 pieces were quickly snapped up and now it's highly sort after collector's piece. The new SL-II lens has built in CPU matrix metering chip which enable all Nikon Digital SLR cameras to meter with this lens.
The 58mm focal length becomes 85mm on the cropped sensors, which makes the Nokton a perfect portrait lens on the digital body. With the full frame sensor digital bodies, the 58mm is a good general purpose versatile focal length.
With it's superb image quality, it surpasses lenses priced 2 to 3 times itself. A truely value for money fast lens.
Specifications
| Focal Length | 58mm |
| Aperture Ratio | 1:1.4 |
| Smallest Aperture | f16 |
| Lens Construction | 6 Groups 7 Elements |
Picture Angle | 40 degrees |
| Aperture Blades | 9 |
| Nearest focusing distance | 0.45m |
| Macro Ratio | 1:5.8
|
| Diameter | φ64.4mm
|
| Filter Size | φ58mm
|
| Length | 47.5mm
|
| Weigth | 320g |
| Mount | Nikon F-Mount Ai-S (CPU integrated) & Pentax KA Mount |
| Optional Accessory | hood (LH-58) |