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Hands-on Review] Speedlite EL-1 in Action Photography
Canon Speedlight EL-1 In-depth First Impressions (with test images)
Canon Speedlite EL-1 - Photo Review
Canon Speedlite EL-1: the first “red ring” flash by Jose Antunes - ProVideo Coalition
Digital Camera - Ken Gilbert
Canon's new flagship EL-1 Speedlite flash comes with updated interface and new creative options: Digital Photography Review
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This Epic Flash Dances in the Rain: Canon Speedlite EL-1 Review
Photography News issue 44 by Bright Publishing - Issuu
Review: Yongnuo RF-602 Wireless Flash Triggers
Canon EL-1 Speedlite
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This Epic Flash Dances in the Rain: Canon Speedlite EL-1 Review
Jeff Cable's Blog: Using the new Canon Speedlite EL-1 professional flash (Real world test)