1、Wide Compatibility: Compatible for E mount mirrorless camera, for A7, A7II, A7R, A7RII, A7S, A7SII, A6500, A6300, A6000, A5100, and more. 2、Closest Focus Distance: 7.5mm F2.8 Fisheye Lens with maximum aperture of f/2.8. Closest focusing distance of 0.12m, with wide focus within a 180 degree range. For full frame cameras, switch the camera to APS‑C mode. 3、10 Diaphragm Blades: 10 blade aperture with multi layer coating provides transitions and good focus, creating intentional background blur to keep viewers' attention on the subject. 4、Multi Layer Coating: Helps visible light spectrum smoothly enter the lens, preventing distracting flare and ensuring beautiful, glare free images. 5、180 Degree Views Super Wide Angle: 180 degree ultra wide angle shooting for panoramic, macro, wide angle, and mug shot photography. Ideal for capturing architecture, travel, sports, landscapes, portraits, weddings, still life, commercial, and humanistic subjects. Item Type: 7.5mm F2.8 Fisheye Lens Material: Optical Glass, Alloy Weight: Approx. 476g / 16.8oz Color: Black Focal Length: 7.5mm / 0.3in Aperture: f2.8-f22 Image Format: APS-C Closest Focusing Distance: 12cm / 4.7in Viewing Angle: 180 Degree Lens Structure: 10 Groups 11 Elements Number of Diaphragm Blades: 10 1 x 7.5mm F2.8 Fisheye Lens 1 x Lens Cleaning Cloth