Canon Instant Rebates extended to November 21, 2012

The previous round of combined purchase Canon Instant Rebates have been extended until November 21, 2012. These include a $250 off combined purchase discount on the 70-300mm f4-5.6 IS, $150 off combined purchase of the 55-250, and $100 off combined purchase of the 75-300. You can see the eligible products at the updated Canon Instant Rebates page at Amazon.