Another Deal Site via Amazon offers the Canon Speedlite 90EX Flash, model no. 6825B002, for $41.67 with free shipping. That's a buck our mention from last week and the lowest total price we've seen, outside of the prices below. (It's also a current price low by $3.) This shoe mount flash is compatible with all Canon EOS cameras and features a guide number of 30-foot and provides coverage for lenses as wide as 24mm.

Close prices: Cyan Digital via Amazon charges $41.72 and Audio Are Us via Amazon charges $42.60, each with free shipping.