Nikon D800 | Tokina AT-X 16-28mm F2.8 Pro FX | ISO 400 | 1/640 sec | F2.8 Photo: Abby Ferguson Understanding shutter speed, aperture and ISO can be overwhelming for beginner photographers. Even once ...

The cameras in the iPhone 18 Pro may be the first to gain a variable aperture camera, which could lead to even better image quality. The rear cameras used in the iPhone use a fixed aperture size, but ...