Item Type: 10mm F2.8 Fisheye Lens Material: Metal, Optical Glass Weight: Approx. 910g / 32.1oz Focal Length: 10mm / 0.4in Aperture Blades: 8 Minimum Focus Distance: 0.17m / 0.6ft Sensor Size: Full Frame Optical Structure: 8 Groups 11 Elements Image Stabilization: No Maximum Aperture: F2.8 Minimum Aperture: F22 Field of View: 178 Degree Focus Mode: Manual Focus Aperture Ring: Stepless Aperture Package List 1 x 10mm F2.8 Fisheye Lens 2 x Lens Caps 1 x User Manual 1 x Lens Box 1178 Degree Ultra Wide Fisheye Lens : With its 178 degree ultra wide angle, this fisheye lens creates visually captivating images with a strong sense of depth and space. Minimum focus distance 0.17m. 2F2.8 Large Aperture: The combination of wide angle and large aperture is a major advantage for shooting landscapes. In low light conditions, the larger aperture allows for lower ISO settings and better image quality, making it ideal for astrophotography. 3Rich Lens Elements: Featuring an optical structure of 8 groups and 11 elements, including 4 high refractive index glass and 1 ED glass, this lens maintains high image quality from the center to the edges. 4Dazzling 8 Blade Aperture: With a new optical design, the F2.8 large aperture and 8 blade circular aperture create beautifully blurred bokeh effects. During post processing, fisheye lenses can be corrected for distortion using software like Adobe Lightroom or Photoshop, resulting in an even wider field of view than traditional ultrawide angle lenses. 5Wide Compatibility: Compatible with L mount cameras for S1, S1R, S1H, S5, for Leica SL, SL1, SL2, and for Sigma FP, FP L. Weighing approximately 570g, this compact lens delivers excellent image clarity and resolution. 6Effortless Panoramic VR Creation: Fisheye lenses are essential for panoramic photographers who want to capture 360 degree panoramic photos. By using a fisheye lens, which captures a wider field of view in a single photo, it reduces the number of photos required to stitch a 360 degree panorama.