Features: This 15mm f/4 Ultra-wide angle lens fit right over your camera lens existing system, allowing you to get more in the picture. Super-wide angle lens for your manual and auto-focus SLR cameras with NK-bayonet and CN-bayonet. Great lens for architectural and interior photography! Perfect lens for shooting in confined interior space or for creating stunning landscape photographs! Constructed with multi-coated optical glass, scratch-resistant, water-proof, oil-proof, providing you clear, high-resolution images. Specifications: Material: Magnesium Aluminum Alloy+Optical Glass+Multi-layer Coating Colour: Black Size: Standard Size Type: NK-bayonet, CN-bayonet(optional) Applicable Models: Suitable for APS-C for NK-bayonet such as D7200, D7100, D5600, D5500, D5200, D5100, D3400, D3300, D3200, D3100 SLR Cameras and APS-C for CN such as 7D, 7d Mark II, 70D, 60D, 60Da, T6s, T6i, T6, T5i, T4i, T3i, T2i, T1i and SL1 DSLR Camera Package Includes: 1x 15mm F4 Wide Angle 1:1 Macro Lens 1x Lens Hood 1x Lens Pouch note: Please allow 0-1cm error due to manual measurement, make sure you do not mind before you order. Please allow slight chromatic aberration due to different display resolutions.