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The Sony HVL-F42AM flash unit gives a (alpha) DSLR photographers powerful illumination, adjustable bounce angles, wireless remote capability and intelligent features like ADI metering, auto white balance,auto zoom and high-speed sync—perfect for formal portraits, weddings and special events, still-lifephotography, hobby shots and more.
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Features:
* The Freedom of Accessory Flash: The Sony HVL-F42AM Flash Unit can improve formal portraits, brighten low-light scenes, bounce lighting to soften shadows and illuminate the entire frame, provide fill-in flash for backlit shots and expand your creative freedom with complex lighting effects to give shots greater depth, erase or define shadows andbring hidden details into view.
* More Power, Longer Range: High illumination output in a small lightweight body, with effective range greater than30 feet (10.5m) and guide number 42. (Guide number measures the illumination capability of the flash; the higher the number, the more light the unit can provide. Tested at ISO100, 105mm.)
* Versatile Bounce Angle: Flexible adjustment angles of 90°up, 90° left and 180° right give you greater flexibility for bouncing light from ceiling, walls or bounce cards.
* Auto WB Adjustment: Intelligent features of the HVL-F42AM include the power to adjust white balance automatically -- with color temperature information signaled to the a camera before WB is adjusted.
* Auto Zoom Control: The auto zoom coverage of the HVL-F42AM is automatically optimized for the APS-C size or 35mm full-frame sizeof the image sensor of the a system camera being used (DSLR-A700, DSLR-A200 and later models).
* Wide-Angle Coverage: The HVL-F42AM automatically adjusts flash for focal-length settings from 24mm to 105mm -- and a built-in, slide-out wide-angle panel increases wide-angle coverage to 16mm.
* Wireless Operation: Sony a cameras feature an operating mode that sends wireless signals to one or moreHVL-F42AM Flash Units, allowing you to operate and adjust off-camera flash lighting setups with greater ease.
* High-Speed Sync: Conventional flashonly works well at shutter speeds from 1/125 to 1/250 of a second. The Sony HVL-F42AM Flash Unit provides High-Speed Synchronization mode that enables flash sync with shutter speeds from 1/500 to 1/4000 of a second to catch fast-moving subjects.
*ADI Flash Metering: ADI (Advanced Distance Integration) metering capability enables the HVL-F42AM to work more effectively with lenses equipped with distance encoders -- combining TTL (through-the-lens) flash metering with guide number control calculated automatically according to the distance to the subject, the ambient light and the pre-flash reflectivity of the subject.
* Simple Controls, Flash Test Button: Flash controls are simple and easy to operate -- and a quick-reference flash test button provides both flash ready (amber) and properexposure (green) signals.
* Fast Recharging Time: The HVL-F42AM Flash Unit recharges approximately 38% more quickly than Sony’s previous entry-level accessory flash (HVL-F36AM), so your a system DSLR can be ready to catch the next great moment.
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