TTartisan 17mm F1.4 APS-C Cameras Lens Manual Focus MF For Sony /NIKON/FUJIFILM

Insta360. Features: 1. High-performance Optical Design: Its optical system consists of 9 elements in 8 groups, including One ED element in the optical design and helps to reduce chromatic aberrations and color fringing for high clarity and color accuracy. 2. Ideal Aperture: Bright f/1.4 maximum aperture suits working in a variety of lighting conditions. A 10-blade diaphragm contributes to a smooth and pleasing bokeh quality. 3.81 Wide-angle of View: Improve contrast and color rendering in a variety of lighting conditions. the lens design renders an 81 angle of view to produce a distinct visual, it is perfect for still-lifes, close-ups, street, and travel photography. 4. Lightweight Compact, with clicked aperture: the lens is compact that with weighs only 248g. with the clicked aperture, you can switch without looking at the lens, especially shooting at night. Specifications: Local length: 17mm. Maximum aperture: F1.4. Minimum aperture: F16. Format: APS-C. Focus method: manual. Filter s