TTArtisan 11mm f/2.8 Lens Black - M Mount

Featuring a Diagonal 180° Wide Angle of View, producing unique perspectives and creative distortions. The TTArtisan 11mm F2.8 is well-suited for travel, landscapes, panoramas, nighttime scenes, and more.
The bright f/2.8 aperture is designed to suit work in a variety of lighting conditions and also for controlling depth of field and isolating subject matter. A 10-blade diaphragm contributes to a smooth and pleasing bokeh quality.
Consists of 12 elements in 10 groups, including 4 high refractive index glass elements that help to control distortion and spherical aberrations for improved sharpness and accurate rendering. 1 extra-low dispersion element is used to reduce color fringing and chromatic aberrations in order to produce high clarity and color accuracy.  
Features an on-body clicked aperture ring that has a close focusing distance of 25cm, With its super close minimum focus distance, it could help both photo and video enthusiasts create interesting results.
The aperture ring is stepped with the right amount of resistance, marking full stops from F/2.8 to F/16. The all-metal lens barrel features an engraved depth of field and focuses scales, Additionally, a metal lens mount also offers increased durability between the lens and camera.