Features: 1.The lens was used at APS-C lens frame, diagonal fisheye lens, diagonal angle 160 degrees, has whole picture will not be covered. 2.Can produce barrel-shape distortion, have strong visual impact. 3.The depth of field range from a few centimeters to infinity, meet your different needs. 4.Manual focus, high strength and non-deformation. 5.Suitable for and for Olympus, for M4/3 mount camera, can also be used with drones. Specifications: Material: Optical glass + Aluminium alloy Color: As picture shown Lens frame: APS-C lens frame Lens type: fixed-focus Lens construction: 7elements in 6 groups Lens mount: M43-mount Focus mode: manual focus Maximum aperture: F3.2 Minimum aperture: F16 Focal length range: 7.5mm/0.3in Recent focusing distance: 0.1m/3.9in View range: 160 degrees Lens diameter: 64mm/2.5in Lens length: 62mm/2.4in Weight: Approx. 346g Packing List: 1*Lens 1*Lens cloth