The first aperture on your lens is one of the lens’s most important specifications. It is known as the lens’s maximum aperture.
This represents your lens’s widest possible f-stop (smallest f-number/biggest aperture hole). This is because the maximum aperture of your lens controls how bright your camera’s viewfinder will be-the wider the maximum aperture, the brighter the image. Continue reading »

Tags: aperture, Lens, Maximum aperture