TTartisan Unveils a 90mm f/1.25 Lens for Leica M-Mount

Chinese lens manufacturer Mingjiang Optical (better known as TTArtisan) has announced the TTArtisan 90mm f/1.25, a manual rangefinder lens that looks remarkably similar to a Leica optic. The company promises smooth transitions between objects and bokeh for a “dreamy picture” with an ideal depth of field and background blur and also claims that its high speed and “unique aesthetics of its depth of focus” make the lens particularly suited for portraiture.

The lens has an angle of view of 27-degrees which the company says that even when a subject is close up, this angle avoids the “suffocating compression” that is found in large telephoto lenses and instead allows it to create a “natural and unique atmosphere”, measures 82mm wide by 97mm tall, and features a clicked aperture ring that ranges from f/1.25 at the wide end to f/16 fully closed. Supports macular linkage with Leica, Voigtlander, Minolta, and other paraxial M-port cameras. Due to the size and weight, the 90mm includes a tripod mounting hole at the bottom of the lens.

The lens has a minimum focusing distance of one meter, a 10-bladed aperture diaphragm, and is constructed of 11 elements in seven groups. TTArtisan also designed a set of four groups of glued lenses that it says better controls chromatic aberration. “Dispersion is a common optical phenomenon, especially in large-aperture lenses. The M 90mm f1.25 lens uses 4 groups of glued lenses to significantly improve chromatic aberration, significantly improve resolution performance, and present excellent image quality,” the company writes.

“At large apertures, the artistic effect of rich layers and interweaving virtual and real is refreshing, and the transition between out-of-focus and in-focus is smooth, which outlines a dreamy picture of interweaving virtual and real,” the company continues.

TTArtisan also notes that with adapters, the lens can work as a manual focus lens on a range of cameras including Sony E, Nikon Z, Canon RF, Fuji GFX, Leica L, and Hasselblad mirrorless.

Below are a set of sample images provided by the company:

The TTartisan 90mm f/1.25 M-Mount lens is available for $770.
More info on TTartisan’s website.

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