Changing the aperture can increase or decrease the amount of light that makes it to the sensor. This also impacts how much of an image is in focus, the depth of focus, with low aperture values ...

The new NIKKOR Z 28-75mm f/2.8, RRP £949, boasts a versatile wide-angle to telephoto zoom range, a fast constant aperture, and sharp focusing for Nikon Z users. Tamron has introduced its first ...