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Popular exposure chart type, showing exposure values EV (red lines) as combinations of aperture and shutter speed values. The green lines are sample program lines, by which a digital camera automatically selects both the shutter speed and the aperture for given exposure value (brightness of light), when set to Program mode (P). (Canon, n.d.)
The Speedlite 420EX is an external flash formerly made by Canon. The Speedlite 420EX is one of Canon's older mid-range flashes, being replaced by the 430EX in 2005. It was primarily intended for users wanting to step up from the entry-level flashes, as well as for use as a slave flash along with the more advanced Speedlite 550EX flash.
The shutter speed dial of a Nikkormat EL Slow shutter speed combined with panning the camera can achieve a motion blur for moving objects. In photography, shutter speed or exposure time is the length of time that the film or digital sensor inside the camera is exposed to light (that is, when the camera's shutter is open) when taking a ...
On a sunny day at ISO 100 ("100 speed film"), the aperture is set 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 closest available setting to 1 / 100 second). On a sunny day at ISO 200 and aperture at f /16, set shutter speed to 1 / ...
For example, as of 2008, Nikon cameras allow one to set the maximum and minimum ISO sensitivities, and slowest shutter speed that will be used in automatic modes, [4] while Canon cameras will select within the fixed range of ISO 400–ISO 800 in Auto ISO mode. In Nikon cameras, the Auto ISO mode first adjusts the shutter speed, keeping ISO at ...
The EOS R shutter speed can be set to values between 1/8000 s and 30 s. [6] Canon states that the mechanical shutter is rated to approximately 200,000 cycles. [6] In "High-speed continuous shooting" mode the camera can capture eight frames per second, but this drops to five frames per second when "Servo AF" mode is engaged. [6]
A system for indicating correct exposure in which the shutter speed and f-number are related arithmetically. [4] [15] EVF: Electronic viewfinder. The through-the-lens view is displayed on a miniature solid-state screen, rather than on an optical screen or view. [2] EVIL: Electronic viewfinder interchangeable lens camera.
Digital cameras usually have variable ISO settings that provide additional flexibility. Exposure is a combination of the length of time and the illuminance at the photosensitive material. Exposure time is controlled in a camera by shutter speed, and the illuminance depends on the lens aperture and the scene luminance. Slower shutter speeds ...