Shutter speed is one of the most important settings in photography, along with aperture and ISO. It controls how long your camera’s shutter is open, exposing the sensor (or film) to light. Shutter speed affects both the brightness and the motion of your image. In this article, we will explain what shutter speed is, how …
What is aperture? Aperture is the opening of the camera lens, which can be adjusted to control the amount of light that passes through the lens to the image sensor. The aperture mechanism in the lens is formed of a series of opaque “blades” called diaphragm. The diaphragm can be opened or closed to change …
Exposure is one of the most fundamental concepts in photography. It refers to how much light reaches the camera sensor (or film) when you take a photo. Exposure affects the brightness, contrast, and colors of your image. A well-exposed photo will have a balanced distribution of light and dark areas, without being too bright (overexposed) …
A brief history of ISO… The history of ISO goes back to the days of film photography. Before 1974, there were two main systems for measuring film sensitivity: ASA (American Standards Association) and DIN (Deutsches Institut für Normung). These systems used different scales and formulas to assign numbers to different film types. For example, a film …