Lets meet in optical part with wide-angle light powered standard photo lens Voigtlander Nokton 40mm f/1.4 for Leica M mounts. Its 40 mm focus is fixed, aperture can be set in f/1.4 – f/16 range ( its light power is very high ) with use of 10 diaphragm blades, field of view is 56 degrees and minimal focusing distance is 0.7 m. 7 lens elements in 6 groups are built into it, there are lens variants with single-coating and multi-coating of optical surfaces; 43 mm optical filters can be attached to it. Its body made from metal, focus and diaphragm are set manually and it has no optical image stabilization. Package contains : Voigtlander Nokton 40mm f/1.4 photo-lens itself, frontal and rear caps, 1-year warranty card and user’s guide. This is a good wide-angle light powered standard photo-lens for Leica M mounts, it is good for portrait and area photos with small magnification.