TTArtisan has announced a new 11mm f/2.8 Fisheye lens for Canon EF and Nikon F-mount cameras.
features a diagonal 180-degree field of view that creates what the company describes as “unique perspectives and creative distortions.” The lens features an all-metal barrel along with engraved depth of field and focus scales. The 11mm f/2.8 fisheye lens is also fully manual and does not offer any kind of electronic communication with the camera body.
The 11mm f/2.8 is constructed of 12 elements in 10 groups, which includes four high-refractive-index glass elements that TTArtisan says were included to help control distortion and spherical aberrations which results in improved sharpness and more accurate image rendering. The lens also has one extra-low dispersion element that the company used to reduce color fringing and chromatic aberration, which it says helps it better produce high clarity and color accuracy.
It should be noted that this optical formula, stated by TTArtisan distributor Pergear, is not the same as what the company says it uses for its mirrorless version of the lens which
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