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Jeff Cable's Blog: Using the new Canon Speedlite EL-1 professional flash (Real world test)
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Sketching Light: An Illustrated Tour of the Possibilities of Flash: McNally, Joe: 9780321700902: : Books
This Epic Flash Dances in the Rain: Canon Speedlite EL-1 Review
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This Epic Flash Dances in the Rain: Canon Speedlite EL-1 Review
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This Epic Flash Dances in the Rain: Canon Speedlite EL-1 Review
A real-world test of the new Canon Speedlite EL-1 professional flash