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The following picture of the area around the Pinwheel Galaxy (Messier 101) with the apparent magnitude of 7.5 m with all stars down to an apparent magnitude of 10 m was taken in Berlin in a direction close to the zenith with a fast lens (f-number 1.2) and an exposure time of five seconds at an exposure index of ISO 12800:
The first systems introduced in the late 1960s used film cameras to take their pictures. [126] Gatsometer introduced the first red light camera in 1965, the first radar for use with road traffic in 1971 and the first mobile speed traffic camera in 1982; [124] From the late 1990s, digital cameras began to be introduced.
A street light, light pole, lamp pole, lamppost, streetlamp, light standard, or lamp standard is a raised source of light on the edge of a road or path. Similar lights may be found on a railway platform.
Most red light cameras will take two photos and a 12-second video that records the vehicle’s location, speed, date and time the event occurred and the amount of time that passed since the ...
A traffic camera is a video camera which observes vehicular traffic on a road. Typically, traffic cameras are put along major roads such as highways, freeways, expressways and arterial roads, and are connected by optical fibers buried alongside or under the road, with electricity provided either by mains power in urban areas, by solar panels or other alternative power sources which provide ...
Ecological light pollution [1] is the effect of artificial light on individual organisms and on the structure of ecosystems as a whole.. The effect that artificial light has upon organisms is highly variable, [2] and ranges from beneficial (e.g. increased ability for predator species to observe prey) to immediately fatal (e.g. moths that are attracted to incandescent lanterns and are killed by ...
A skilled photographer can manipulate how a viewer is likely to react to the content of a photo by manipulating the lighting. [6] When shooting outdoors, changing locations may be required, as well as waiting for the ideal time of day (or even the ideal time of year in some cases) for the lighting to create the desired impression in the photo.
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