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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.
For example, a long exposure refers to a single, long shutter cycle to gather enough dim light, whereas a multiple exposure involves a series of shutter cycles, effectively layering a series of photographs in one image. The accumulated photometric exposure (H v) is the same so long as the total exposure time is the same.
Fireworks photography is the process of taking photographs of fireworks at night. It is a type of night photography, specifically using available light of the fireworks instead of artificial light. Without using the flash on the camera, the photographer often exposes the image for a period of time, known as long exposure.
Night photography (also called nighttime photography) is the capturing of images outdoors between dusk and dawn. Night photographers generally have a choice between using artificial lighting and using a long exposure , exposing the shot for seconds, minutes, or hours in order to capture enough light to record an image.
For example, the camera will be set up to expose a frame for 1 ⁄ 50 second every 30 seconds. Such a setup will create the effect of an extremely tight shutter angle giving the resulting film a stop-motion animation quality. In long exposure time-lapse, the exposure time will approximate the effects of a normal shutter angle.
Typical exposure times range from 15 minutes to many hours long, depending on the desired length of the star trail arcs for the image. [7] Even though star trail pictures are created under low-light conditions, long exposure times allow fast films, such as ISO 200 and ISO 400. [6] Wide-apertures, such as f/5.6 and f/4, are recommended for star ...
It requires an exposure in the camera that lasts at least eight hours and probably several days. 1834 – Hércules Florence, a French-Brazilian painter and the isolate inventor of photography in Brazil, coined the word photographie for his technique, at least four years before John Herschel coined the English word photography. [9]
The photo brilliantly illustrates both the nighttime traffic flow on the highway that is the subject, as well as one of the effects of taking a long-term exposure of moving lights. Articles in which this image appears Long exposure photography, Ontario Highway 401 FP category for this image Wikipedia:Featured pictures/Engineering and technology ...