Focus Drive: EFD Elements: 5/5 View of Angle: 75 degrees Min. Focus: 1 ft. (0.3m) Min. Aperture: f/22 Filter (diameter): 52mm Length: 111/16" (42.5mm) Weight: 6.5 oz. (185g) A standard wide-angle lens featuring compact size and light weight. This lens is suitable for casual snap shot, landscape and architectural photography. A molded glass (GMo) aspherical lens element (1st) achieves compact, lightweight optical system with high performance. The small number of elements ensures sharp, high-contrast image quality and super-fast AF. Distortion is virtually nonexistent, making the lens ideal for architectural photography and scenes containing straight lines. Mechanical manual focusing.