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Like all "M" bulbs, its peak output was defined as occurring 20 milliseconds after applying electrical current. The No. 11 had a peak luminous flux of 1.8 million lumens. Its rated luminous energy, Q v of 23,000 lumen⋅seconds is the shaded area to the right of the definitional shutter opening point ( 1 / 800 th of a second before the point of ...
The Bulb setting (abbreviated B) on camera shutters is a momentary-action mode that holds shutters open for as long as a photographer depresses the shutter-release button. The Bulb setting is distinct from shutter's Time ( T ) setting, which is an alternate-action mode where the shutter opens when the shutter-release button is pressed and ...
HP's first Chromebook, and the largest Chromebook on the market at that time, was the Pavilion 14 Chromebook launched February 3, 2013. [155] It had an Intel Celeron 847 CPU and either 2 GB or 4 GB of RAM. Battery life was not long, at just over 4 hours, but the larger form factor made it more friendly for all-day use.
The light source and a camera are positioned by endoscopy. Another application of the stroboscope can be seen on many gramophone turntables. The edge of the platter has marks at specific intervals so that when viewed under fluorescent lighting powered at mains frequency , provided the platter is rotating at the correct speed, the marks appear ...
Arizona authorities believe a man was lured out of his home to his death by a stranger seeking help with his car. Paul Clifford, 53, was found dead near a "smoldering vehicle" by Redington Pass in ...
WASHINGTON (Reuters) -Current laws and regulations are not enough to protect Americans from the risks of compounded versions of popular weight loss drugs, especially those bought online, outgoing ...
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.
Getting a good night's sleep can be a little more challenging amid the hype of the holidays. With changes in routine, diet and potentially time zones, quality sleep could be difficult to come by ...