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A Nikon-style mode dial showing shutter priority mode. Shutter priority (usually denoted as S on the mode dial), also called time value (abbreviated as Tv ), refers to a setting on cameras that allows the user to choose a specific shutter speed while the camera adjusts the aperture to ensure correct exposure .
DEP: [3] DEP (DEPth of field) mode, on some Canon cameras, set the aperture to yield the desired depth of field: one point at the nearest object that one wants to be in focus, half-presses the shutter, then points at the farthest object that one wants to be in focus, half-presses the shutter, at which point the camera sets both focus and ...
The Bulb setting (abbreviated B) on camera shutters is a momentary-action mode that holds shutters open for as long as a photographer depresses the shutter-release button. The Bulb setting is distinct from shutter's Time (T) setting, which is an alternate-action mode where the shutter opens when the shutter-release button is pressed and ...
Shutter priority refers to a shooting mode used in cameras. It allows the photographer to choose a shutter speed setting and allow the camera to decide the correct aperture. This is sometimes referred to as Shutter Speed Priority Auto Exposure, or TV (time value on Canon cameras) mode, S mode on Nikons and most other brands. [citation needed]
On a sunny day and with ISO 100 film / setting in the camera, one sets the aperture to f /16 and the shutter speed (i.e. exposure time) to 1 / 100 or 1 / 125 [2] seconds (on some cameras 1 / 125 second is the available setting nearest to 1 / 100 second).
Most dSLRs and mirrorless cameras have a few manual settings and a small sample of automatic modes. On point-and-shoot cameras, all manual control may be condensed into one mode (e.g. ASP, for Aperture priority, Shutter priority, Program) or may be completely absent. Many compact cameras show a large array of scene modes.
On these cameras, the Bulb, or B, exposure setting keeps the shutter open. [9] Another problem that digital cameras encounter is an increase in electronic noise with increasing exposure time. [5] However, this can be avoided through the use of shorter exposure times that are then stacked in post production software.
A Nikon-style mode dial showing aperture priority mode.. Aperture priority, often abbreviated A or Av (for aperture value) on a camera mode dial, is a mode on some cameras that allows the user to set a specific aperture value while the camera selects a shutter speed to match it that will result in proper exposure based on the lighting conditions as measured by the camera's light meter.