Features: Lens Structure:11 elements in 8 groups Aperture Range :F/3.5- F/22 Multi-layered lens coating to reduce flare and ghosting Focal range ：8mm Number of aperture blades:9 blades Lens features multi-layer coating to reduce flare and ghosting. Manual focus and aperture control Angle: Diagonal 200; Horizontal 200; Vertical 160 Minimum Focusing Distance: 10 cm Lens Diameter:77mm Length: 84 mm Weight: 540 g Compatibilities: Designed for all Canon EF-Mount APS-C cameras; including the EOS Rebel T6s, T6i, T6, T5i, T4i, T3i; EOS 60D, 70D, 80D; EOS 7D, 7D MK II.