More practical 24mmAPS-C 24mm f/1.4 equivalent to 135 format at about 35mm. The angle of view is the same as human eye perspective and the photos taken with this lens will let someone experience a sense of story and authenticity. The lens provides a wider field of view of the subject, which is a focal length suitable for daily shooting. Different Environmental PortraitsTaking portraits with scenery focuses on more elements of the picture, and the creation is broader. The photos can provide more information and extend the perspective, and can also use the scene to set off the personality of the subject and enhance the creativity of the subject. F1.4 Large Aperture7artisans 24mm lens with F1.4 large aperture can make the shutter faster, softer out of focus. Large aperture keeps enough light to make shooting become more easily in low light conditions, which has become the walk-around lens of choice for countless photographers. Excellent Optical Structure7artisans 24mm F1.4 adds 2 pieces of ED (low dispersion) glass, 2 pieces of high refractive lenses. ED glass can reduce purple fringe, reduce chromatic aberration, and greatly improve the sharpness of imaging. The lens is able to capture a variety of subjects throughout the day without changing lenses, which can keep the image clear whether shooting people or shooting scenery.