8mm f/3.5 manual fisheye lens compatible with full-frame sensors (produces a full circle) as well as APS-C sensors</br>10 lens elements in 7 groups Low dispersion ultra nano crystal multi-coating anti-reflection optical glass</br>Ultra-fast f/3.5 maximum aperture and rounded eight-blade diaphragm for superior depth-of-field view angle</br>AL aspherical lens element for high image quality with improved performance</br>Equivalent to 12mm in the 35mm APS-C format</br></br>Product Description</br></br>Oshiro's 8mm f/3.5 is a manual focus lens offers the utmost in optical construction including ultra-low dispersion lens elements and moisture and dustproof seal on the all-metal mount. Low dispersion glass offers superior sharpness and color correction by minimizing chromatic aberration. The lens is built with 10 elements in 7 groups with Oshiro's patented optical structure to provide image clarity and color. The f3.5 maximum aperture complements working in difficult lighting. Ultra nano crystal multi-coating eliminates lens element reflections and reduces ghost and flare.<br><br><b>Freedom From Ordinary Pictures</b><br> The Oshiro 8mm fisheye lens achieves an ultra-wide picture angle of 180 degrees on digital