Specifications: Brand: YONGNUO Model: YN50mm F1.4N E Compatible Camera Models: For Nikon D5 series, D4 series, D3 series, D850, D810 series, D800 series, D750 series, D700, D610, D600, D500, D300series, D7500, D7200, D7100, D7000, D5600, D5500, D5300, D5200, D5100, D5000, D3400, D3300, D3100 Focal Length: 50mm Angle of View: Diagonal: 46°; Vertical: 27°; Horizontal: 40° Lens Structure: 7 groups, 9 pieces Diaphragm Leaves: 7pcs Minimum Aperture: f/22 Minimum Focus Distance: 0.15X Drive System: DC Motor Filter Diameter/Number Available: 58mm/1 Maximum Diameter and Length: Approx. φ81 * 93mm Item Weight: 578g / 20.4oz Package Size: 13.2 * 11 * 10.6cm / 5.2 * 4.3 * 4.2inch Package Weight: 727g / 25.7oz Package List: 1 * YN50mm F1.4N E Standard Prime Lens 1 * User Manual (English & Chinese).