TTArtisan 40mm f2.8 macro lens can meet the photographer's needs for image quality with the excellent optical technology. The lens is compact and light with a filter size of 52mm. The size of 40mm f2.8 lens is about 62mm, 76mm, and the weight is around 371g. 1:1 magnification, with high resolution and dreamy bokeh, it is well-suited for shooting close-up, still life and portraiture.Excellent Optical StructureThe 40mm f2.8 macro lens adopts an optical structure of eight elements in seven groups, including two ultra-low dispersion (Ud) elements, which can better compensate various aberrations and obtain good image quality.Fast and Dreamy BokehPhotography is a creative art of light. The maximum aperture of F2.8 allows photographers to create freely even in low light environments.1:1 MagnificationThe brilliance in the microcosm is often passed by because it is invisible to the naked eye. But 40mm f2.8 macro lens with 1:1 magnification allows photographers to capture life-sized images of their subjects.Suitable SubjectsIdeal for macro shooting, this lens provides an equivalent focal length of 60mm and a minimum focusing distance of 6.7"" to suit working with portraits and close-up subjects.Insect PhotographyThe 1:1 magnification allows you to capture the beauty of insects at a close distance. The front inner barrel can be disassembled when shooting.Still-Life PhotographyThis lens is also more convenient and maneuverable for shooting still life, such as flowers, garage kit and anime peripheral.Portrait PhotographyWith the equivalent focal length of 60mm and large aperture of F2.8, it also performs well when shooting portraits, dreamy bokeh.Compact and SturdyTTArtisan 40mm f2.8 is a compact and portable lens full of metal, with good build quality and smooth focus. The packing list includes a lens, a front lens cap, a rear lens cap, a warranty card, an instruction and a box..