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A video light is a powerful light source used primarily for shooting video in environments with insufficient natural light, but can also be used as the primary light source for still photography. Placement of the video light follows the same recommendations as for flash photography, with the advantage that the illumination can be clearly seen ...
A modern dive light usually has an output of at least about 100 lumens. Bright dive lights have values from about 2500 lumens. Halogen lamps provide this light at over 50W power consumption. High-intensity discharge lamps (HID) [6] and Light-emitting diodes (LED) can provide similar output for less power. [8]
Photographic lighting refers to how a light source, artificial or natural, illuminates the scene or subject that is photographed; put simply, it is lighting in regards to photography. Photographers can manipulate the positioning and the quality of a light source to create visual effects , potentially changing aspects of the photograph such as ...
Scuba diver with bifocal lenses fitted to a mask. Underwater vision is the ability to see objects underwater, and this is significantly affected by several factors.. Underwater, objects are less visible because of lower levels of natural illumination caused by rapid attenuation of light with distance passed through
NASDS (USA) - National Association of Scuba Diving Schools only USA (Founded in the 1960s and merged with SSI in 1999) [30] TAC - The Aquatic Club - existed in the UK between 1982 and 1986. dissolved organization [31]
Photoflood lamps are a type of incandescent light bulb designed for use as a continuous light source for photographic lighting. [1] The filaments of such lamps are operated at much higher temperatures than is the case for standard, general lighting service lamps. The result is a brilliance of light much higher than the lamp's wattage rating ...