Sigma EF-530 DG Super Electronic Flash for Nikon DSLR

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Sigma EF-530 DG Super Electronic Flash for Nikon DSLR

Product Description :
Powerful Guide Number of 174 ft 53m at 105mm Setting
Designed to work with the new TTL systems of all the popular manufacturers
Fully compatible with all Nikon Digital SLR cameras including the D40 and D40X
Covers a focal length from 24mm to 105mm
Autozoom function automatically sets the optimum illumination angle