TTArtisan has unveiled a manual focusable 90mm f / 1.5 full-frame lens equipped with a Leica M mount. Its design certainly reflects the manufacturer’s desire to give the lens a resemblance to the lenses produced by Leica itself. The design includes a tripod mount, since the lens turned out to be quite heavy: to obtain a large maximum aperture at a focal length of 90 mm, large diameter optical elements had to be used.
TTArtisan 90mm f / 1.5 lens specifications:
- focal length – 90 mm;
- angle of view – 27 °;
- aperture – f / 1.5 – f / 16;
- optical design – 11 elements in 7 groups, including four elements with a high refractive index;
- the number of aperture blades – 10;
- the minimum focusing distance is 1 m;
- filter installation diameter – 77 mm;
- weight – 1013 g.
The lens is estimated by the manufacturer at $ 770.
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