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Long-exposure, time-exposure, or slow-shutter photography involves using a long-duration shutter speed to sharply capture the stationary elements of images while blurring, smearing, or obscuring the moving elements. Long-exposure photography captures one element that conventional photography does not: an extended period of time.
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 (exposing the medium for a longer period of time), greater lens apertures (admitting more ...
The f-number (relative aperture) determines the depth of field, and the shutter speed (exposure time) determines the amount of motion blur, as illustrated by the two images at the right (and at long exposure times, as a second-order effect, the light-sensitive medium may exhibit reciprocity failure, which is a change of light sensitivity ...
A number will show up next to that icon showing you how long it will take for the photo to take. You can adjust how long the exposure will last by tapping the arrow that shows up above the viewfinder.
The results are a testament to the photographers’ skill, and show just how far the camera phone has come since the iPhone launched in 2007. The best of the 16th annual iPhone Photography Awards ...
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 photograph. [1]
Lacking a physical shutter, some have a long shutter lag. Photoflash by the typical internal LED source illuminates less intensely over a much longer exposure time than a flash strobe, and none has a hot shoe for attaching an external flash. Optical zoom [9] and tripod screws are rare, and some also lack a USB connection or a removable memory card.
Blurring vs. exposure times. In time-lapse photography, the camera records images at a specific slow interval such as one frame every thirty seconds (1 ⁄ 30 fps). The shutter will be open for some portion of that time. In short exposure time-lapse the film is exposed to light for a normal exposure time over an abnormal frame interval.