Sigma EF 500 DG Super Flash for Sigma SLR Cameras

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Sigma EF 500 DG Super Flash for Sigma SLR Cameras

Product Description :
Powered by 4 AA batteries up to 220 flashes using alkaline type
Designed for AF 35mm and Digital SLR cameras
Maximum guide number of 165 in feet at 105 mm focal length ISO 100
Built-in diffuser expands angle of illumination
Bounce flash with 90 degree upwards and 7 degree downwards tilt