1、Material: Made of high quality aluminum alloy and optical glass, lens is durable, compact and can be put in a pocket, which is convenient to carry and does not take up space. 2、Structure: The structure of 6 elements in 5 groups is adopted to improve the contrast of photos and the distortion of color rendering is also well controlled. 3、Coating: Using multilayer coating to reduce ultraviolet rays and stray light from entering the lens, effectively eliminate ghosts and glare, improve light transmittance, and improve image quality. 4、10mm F5.6 Lens: The 10mm F5.6 ultra wide angle fisheye lens has a 172° angle of view, which is very suitable for large scale scenery, architecture, and starry sky shooting. The picture is magnificent. 5、Manual Lens: Constant F5.6 aperture without manual focusing, the fastest focusing is without focusing. The lens type is manual lens, the manual focus lens can't be recognized by the camera automatically, please change the camera setting to "Shoot without lens" before using this lens. 6、Application: This lens is suitable for Sony A3000, A6500, A6300, A6400, A6000, A5100, A5000, NEX‑3, NEX‑3N, NEX‑3R, NEX‑C3, NEX‑F3K, NEX‑5K, NEX‑5, NEX‑6 , NEX‑7, NEX‑5N, NEX‑5A, NEX‑5T, NEX‑5C, NEX‑5R and Other Cameras.