Item Type: Fisheye Lens Material: Metal, optical glass Weight: Approx. 930g/32.8oz Focal Length: 10mm Aperture Blades: 8 blades Minimum Focus Distance: 0.17m Image Circle: Full Frame Optical Structure: 8 groups 11 pieces Lens Stabilization: No stabilization Maximum Aperture: F2.8 Minimum Aperture: F22 Field of View: 178 degree Focus Mode: Manual focus Aperture Ring: Stepless aperture Package List 1 x Fisheye Lens 2 x Lens Caps 1 x User Manual 1 x Lens Box 1Wide Compatibility: Compatible with a wide range for E mount cameras including for A7, A7II, A7R, A7RII, A7S, A7SII, A6500, A6300, A6000, A5100, A5000, EX 3, NEX 3N, NEX 3R, NEX F3K, NEX 5, and more. 2178 Degree Ultra Wide Angle: Record wonderful visuals with a powerful and expansive 178 degree ultra wide angle, adding depth and dimension to your images. Correct distortion and create an even wider field of view using LR or PS software during post processing. 3F2.8 Large Aperture: The combination of wide angle perspective and a large aperture (F2.8) provides a significant advantage for landscape photography. With superior low light performance, you can record exceptional image quality by using lower ISO settings. The 8 blade circular aperture design creates beautiful bokeh effects. 4Rich Lens Construction: With an 8 group, 11 pieces optical structure, including 4 high refractive index glass and 1 ED glass, this lens delivers high definition image quality from the center to the edges. Weighing only 570g, it is compact and lightweight while maintaining excellent clarity and resolution. 5Closest Focus Distance of 0.17m: The fisheye lens allows you to get up close with your subject, achieving a "big head" effect with a closest focus distance of 0.17m. Record unique perspectives and emphasize the main subject. 6Effortlessly Create VR Panoramas: A fisheye lens is essential for panoramic photographers who want to shoot 360 degree panoramas. The fisheye lens's large field of view reduces the number of photos required for stitching a complete 360 degree image.