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Sigma 150-600mm 5-6.3 Contemporary DG OS HSM Lens for Canon DSLR w/ Bundle - Walmart.com
Amazon.com : Sigma EF-530 DG Super Electronic Flash for Nikon DSLR : On Camera Shoe Mount Flashes : Electronics
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Amazon sells an AmazonBasics flash for Canon and Nikon DSLRs for just $28: Digital Photography Review
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