Canon offers its factory-refurbished Canon Speedlite 430EX II Flash, model no. 2805B009, for $149.99 with free shipping. That's $20 under our August mention and the lowest total price we've seen. (It's the best deal today by $95.) This hot-shoe flash for Canon EOS and PowerShot G series cameras features an AF assist beam and automatically zooms to match a compatible camera's image size. A 1-year Canon warranty applies. Deal ends December 3.