This focal size quantity is expressed in millimeters and written on the lens’s outdoors. For occasion, a 28mm lens has a distance of 2.8cm between the point of interest and the principal aircraft of the lens. The f-stop number describes the relative dimension of the aperture. The f-number (or f-stop) is the ratio of the diameter of the hole of the aperture and the focal size. We write it as “f/” followed by a number—for example, f/2.eight. An picture that measures 5184 x 3456 pixels is equal to 17.9 MP. in photographyshoot.my.id you can read the newest article about Photograpy…