Only suitable for mirrorless cameras, not suitable for DSLR cameras TTArtisan 25mm f/2 Features Large Aperture Range: f/2 to f/16 Manual Focus Design 7-Blade Diaphragm Excellent close-up function This TTArtisan 25mm f/2 lens is a low-profile all-manual lens well-suited for portraiture, street scenes, and everyday shooting requiring a natural field of view. The lens allows you to work with subjects as close as 9.8" away, and its bright f/2 maximum aperture offers greater control over depth of field for isolating subjects with selective focus techniques. Additionally, a seven-blade diaphragm produces a pleasing bokeh quality.