The Nokton f1 lens has an aperture till f16. It has a diaphragm with 12-blades which ensures a very nice rounded and pleasing bokeh. The front filter element is 62mm and the lens has a 47.8-degree angle of view.The Cosina Nokton 50mm f1 lens is a fully manual focus lens. Cosina has used an all-metal helicoid unit that has very high precision as well as uses high-quality grease. It is designed to produce the appropriate amount of torque for smooth focus as well as for helping in fine focusing adjustments. This is especially important because at f1 aperture the depth of field would be very shallow and slight miss in critical focus would result in an unacceptably soft image.The Nokton f1 lens is also equipped with a rangefinder interlocking system. This ensures close focusing near the maximum aperture and depending on the camera the rangefinder interlocking range is from infinity to about 0.9 meters. The Cosina Voigtlander Nokton 50mm f/1 lens will be available in January 2022 with an expected price of $2000 US Dollars.
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