Canon has announced the Speedlite EL-5, its first flash designed for increased compatibility with new EOS R mirrorless cameras.
Canon Speedlite EL5 Flash - Canon Ireland
Speedlite EL-5: 6+ Things to Know About Canon's New Professional Flash
Speedlite EL-5: 6+ Things to Know About Canon's New Professional Flash
Speedlite EL-5: 6+ Things to Know About Canon's New Professional Flash
Canon Speedlite EL-5 : Electronics
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Rent a Canon Speedlite EL-5 Flash
Canon 24 MP Mirrorless Digital Camera with RF-S18-45mm F/4.5-6.3