Amazon.com: Canon Speedlite 580EX Flash for Canon EOS SLR Digital Cameras - Older Version : Electronics
Amazon.com : Canon 580EX II -1946B002 - 580Ex Ii Speedlite Flash E-Ttl Ii Compatible Maximum Guide No. 190 -Feet - : On Camera Shoe Mount Flashes : Electronics
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Product Details | Canon 580EX II Speedlite Service Manual | Canon | Service Manuals | Learn Camera Repair