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Sigma EF530

Sigma EF-530 DG ST Electronic Flash for Sony DSLR Alpha A900, A850, A700, A550, A500, A380, A330, A350, A300, A230, A200, & A100 + Bonus Gel Softbox Diffuser (6 Different Colors Inclluded)
by Sigma
Date first available at Amazon.com: July 19, 2010

Buy new: $149.00

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Technical Details
– Shoe Mount Guide No.: 92′ (28 m) at 24mm 132′ (40 m) at 50mm 174′ (53 m) at 105mm Angle of Cov
– Includes Bonus Gel Softbox Diffuser (6 Different Colors Inclluded)

Product Description
When there’s insufficient or unsuitable light available to take a picture, it’s of paramount importance to have a ready source of supplementary light to fulfill the need. That’s where Sigma’s EF-530 DG ST electronic flash comes into play. Designed exclusively for Sony digital SLR cameras, the flash offers a powerful guide number of 174 feet/53 meters and boasts the latest TTL automatic exposure system for easy operation. More significantly, the EF-530 DG ST is outfitted with a host of handy features, including an autozoom function that automatically sets the optimum illumination angle in accordance with the lens’ focal length (with a range from 24mm to 105mm), a confirmation “ready” light that indicates when the flashgun is fully charged, and an auto power-off function that automatically shuts off the display to save battery power. And users will love the tilting flashgun head, which users can tilt up by 90 degrees, to the left by 180 degrees, to the right by 90 degrees, and down by 7 degrees, making it easy to perform a bounce flash. Plus, the flashgun features a manual flash mode in addition to the automatic mode, making it possible to set the flash power level to full or 1/16.

Autozoom function that automatically sets optimum illumination angle
Covers a focal length from 24mm to 105mm
A built-in wide panel that covers the 17mm angle
A tilting flashgun head for bounce flash (up by 90 degrees, to the left by 180 degrees, and to the right by 90 degrees)
A down tilt angle of 7 degrees for close-up photography
Runs on 4 AA alkaline or rechargeable ni-cad or NiMH batteries
Measures 3 by 5.5 by 4.6 inches (W x H x D)
Weighs 10.8 ounces
1-year warranty