Voigtlander 50mm f/1.5 Nokton Aspherical (silver) | $353.95 | |  |
The new 50mm Nokton lens shares common lineage with the already available 15mm Heliar and 25mm Skopar lenses. It features an all-metal lens barrel construction, a Leica compatible L screw-mount and a 10 bladed aperture (which creates very pleasing out-of-
focus highlights). Unlike its wider-angle counterparts, the Nokton 50mm lens incorporates a rangefinder calibrated rear-focus helicoid, which makes it easier to focus with classic rangefinder cameras from Leica, Contax and Nikon.
All lenses have a "click
-stop" on the aperture movement at half-stop intervals making subtle adjustments in exposure or depth-of-field easy. The 50mm Nokton lens is unusual in the rangefinder field because of the use of modern aspherical lens element fabrication technology on th
e rear element. The lens is constructed with two aspherical surfaces and one SD (super-low dispersion) glass element. This maintains the high level of image quality that rangefinder customers have become accustom to, while maintaining a highly competitive
price point. The combination of Aspherical surfaces (for elimination of spherical aberration) and SD glass (for correction of chromatic aberration) creates a lens of uncommonly high resolution with minimal distortion.
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