Specifications: Brand: YONGNUO Model: YN35mm F2N Compatible Cameras: For Nikon D600, D700, D800, D300, D300S, D3100, D3200, D3300, D3000, D5000, D5100, D5200, D5300, D7000, D7100, etc Full-frame View-angle Coverage: Diagonal: 63° Full-frame View-angle Coverage: Vertical: 38° Full-frame View-angle Coverage: Horizontal: 54° Lens' Focal Length: 35mm Lens Structure: 5 groups 7 blades Aperture Blades: 7 blades Minimum Aperture: F/19 Supermacro Mode: about 0.25 meter Maximum Magnification: about 0.23 time Drive System: direct current motor Filter Diameter: 58mm Maximum Diameter and Length: about Φ74*59mm Item Weight: 184g / 6.5oz Package Size: 10.7 * 9 * 10.5cm / 4.2 * 3.5 * 4.1in Package Weight: 315g / 11.1oz.