The Voigtländer Ultron 21mm f/1.8 is a new, ultra-fast ultra-wide angle lens for M mount rangefinder cameras. With an optical formula comprising 13 elements in 11 groups, the Voigtländer Ultron 21mm f/1.8 features an all-metal barrel and a smooth manual focus ring. Other key specifications include a built-in (non-removable) hood, a ten-bladed diaphragm and a close-focus point of 0.5m. The recommended retail price of the lens is €1,149.

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