With an expansive 190° angle of view, the 7.5mm f2.8 II Fisheye Lens from 7artisans is an all-manual lens capable of producing unique perspectives and creative distortions. The lens's f/2.8 maximum aperture benefits working in a variety of lighting conditions while maintaining a small and lightweight form factor for handheld shooting. The optimized 11-element, 9-group features a higher refractive index is used in the front glass group, while the rear group of optical glass is crafted from HOYA ED glass, which effectively reduces chromatic aberration, while improving image quality when compared to the original lens design.  Feature: APS-C Format 11.25mm (35mm Equivalent) Aperture Range: f/2.8 to f/22 Multi-Layer Lens Coating 190° Angle of View Manual Focus Design Minimum Focus Distance: 5.9" 7-Blade Diaphragm Built-In Petal-Type Lens Hood Full metal body, only weight 0.58lb/265g.