TTartisan has released a new 28mm f / 5.6 maximum aperture lens for Leica M-mount cameras. The compact and lightweight manual focus lens is not yet described on the TTartisan website, but the data and images provided by the source give a complete picture of the new product.
The optical design of a lens has seven elements in four groups, including two high refractive index elements and one low dispersion element. The lens focuses manually. The minimum focusing distance is 1 m. The aperture is formed by six blades. The lens is compatible with 37mm filters. The largest diameter of the lens itself is 51 mm, length - 19 mm, weight - 151 g. There is no information about the price and start date of the sale of the product.
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