A histogram is a chart based on the tonal distribution of pixels in a picture.
From the left to the right (horizontally) the brightness is indicated, and from the bottom up (vertically) the amount of the photo area of a particular tonality. It is often said that vertical columns simply show the ratios of the number of pixels of a particular pitch. That is, the diagram shows how much light or dark shades prevail in the picture, how many green or red or other shades of colors in the picture are larger. Histograms are different. In photography, basically, three types are used: Continue reading
Exposure is dosed by fixed assets:
ISO sensitivity value
Flash (or other lighting)
Basically, in digital photography, it is customary to say that exposure depends only on shutter speed, aperture and ISO, but in fact everyone who says that lowers the flash operation. Continue reading
Exposure – this is the time during which the camera captures the image. When photographing, the light is read using a camera matrix or using a film. When we do not take a picture, the film or matrix is closed with a shutter. During shooting, the shutter opens and the film or matrix takes the image from the lens. The amount of time the shutter is open and shutter speed is available.
No, the article is not about alcohol, the article is about the photographic concept of exposure. Exposure is easy. In telephones and digital cameras (soap cases) there is no mechanical shutter per se. There, as the shutter serves as an on / off matrix. Continue reading