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In the case of digital cameras, stopping down the aperture allows less light to reach the image sensor – to achieve the same exposure, it is necessary to compensate for the reduced light by either increasing the exposure time, or increasing the signal gain of the sensor by increasing the camera's ISO setting.
In October 1984, France sent Foch with 12.F squadron to conduct Operation Mirmillon off the coast of Libya, intended to deter Libyan ruler Colonel Gaddafi from escalating. Regional tensions around the Persian Gulf , largely related to the Iran-Iraq conflict , triggered the deployment of a task force headed by Clemenceau , which included 12.F ...
Sunlit subject shot on a digital camera set to ISO 100, exposed at f/8 at 1/400 second which is the same exposure value as f/16 for 1/100 second, the recommended "sunny 16" exposure In photography, the sunny 16 rule (also known as the sunny f /16 rule ) is a method of estimating correct daylight exposures without a light meter .
Guide number distances are always measured from the flash device to the subject; if the flash device is detached from the camera, the position of the camera is irrelevant. Furthermore, unless a flash device has an automatic zoom feature that follows the setting of a camera's zoom lens, guide numbers do not vary with the focal length of lenses.
F24 Mk. 1 motorized camera for night photography, to the right is a Type 35 camera control unit By about 1940, most configurations of the F24 included a Dallmeyer Pentac lens with focal length 8", aperture f/2.9, with either a Type 21 hand adaptor with two side handles, or a Type 25 fixed mounting and Type 35 control box and motor drive.
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In photography, the shutter-release button (s just shutter release or shutter button) is a push-button found on many cameras, used to record photographs. [1] When pressed, the shutter of the camera is "released", so that it opens to capture a picture, and then closes, allowing an exposure time as determined by the shutter speed setting (which ...
Diagram of decreasing apertures with conversely increasing f-numbers, in one-stop increments; each aperture has half the light-gathering area of the previous one. It is akin, says the photographer Douglas Peebles , in its simplicity and obviousness to the advice "if you want to be famous for photographing famous people, begin by photographing ...