Sigma DG 150-500mm 1: 5-6.3 APO HSM Stock Photo

Sigma DG 150-500mm 1: 5-6.3 APO HSMtelezoom; a telephoto lens with the ability to zoom in and out.The lens` brightness and aperture value are f / 5-6.3.The lens is not particularly bright and this is worth thinking about before or when buying. To compensate for the lower brightness of the lens, you may be forced to lower ISO speeds which generate more noise in the image, longer shutter speeds which may cause some motion blur or flash in less favorable light conditions. Feel free to read more via the link below what the brightness of the lens means to you as a photographer.