TTArtisan 40mm f/2.8 Designed for close distances, the 40mm f/2.8 Macro from TTArtisan is a 60mm-equivalent macro prime offering a 1:1 life-size maximum magnification along with a 6.7′′ minimum focusing distance. Benefitting both close-up shooting as well as working at greater distances, the optical design uses 8 elements in 7 groups to maintain consistent image quality and sharpness throughout the focusing range. The 40mm f/2.8 has a manual focus design and an 11-blade diaphragm that contributes to a smooth bokeh quality, making it an excellent portrait lens. Ideal for macro shooting, this lens offers a life-size 1:1 maximum magnification along with a minimum focusing distance of 6.7′′ to suit working with close-up subjects. Eleven-blade diaphragm and bright f/2.8 maximum aperture help to render smooth and pleasing bokeh to benefit shallow depth of field imagery. Excellent portrait lens with large aperture for photographing in challenging lighting conditions. Manual focus operation for precise control over focusing distance when working with close-up subjects. Slim and lightweight design is easier to use handheld and offers more room for illuminating close-up subjects.