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A 1910 brochure for the Nesbit High Speed Flashlight Apparatus says, "Raise up the movable plunger and spread the powder also over the bottom of the plunger chamber, under the head of plunger. Insert the electronic squib well into the hole for same, as shown by Fig. 7. Set up the camera and focus upon the object to be photographed.
It can control five groups of Speedlites over a distance of 30 meters. Remote triggering of the camera from one of the Speedlites is also possible. The only control on the unit is a MENU button, which is a shortcut to the camera's flash control settings. All flash configuration is done using the camera's menu or with the Canon Connect app on a ...
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.
Electronic controls may be operated by buttons, sliders, magnets, rotating heads, or rotating control rings. Some models of flashlight include an acceleration sensor to allow them to respond to shaking, or to select modes based on what direction the light is held when switched on.
A Florida woman who allegedly snatched a three-year-old boy from his fenced-in yard and ran off down the street last week told the cops she shouldn’t be arrested because she “gave it back ...
On some cameras the flash exposure measuring logic fires a pre-flash very quickly before the real flash. In some camera/people combinations this will lead to shut eyes in every picture taken. The blink response time seems to be around 1 ⁄ 10 of a second. If the exposure flash is fired at approximately this interval after the TTL measuring ...
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