Between May 3rd, 2009 and July 11th, 2009, Canon is offering an instant rebate on select Canon lenses and flashes, as well as instant rebates on Canon EOS 5D, EOS 50D and Rebel XSi Digital SLR cameras.
The rebates are for the following Canon products (savings in parentheses):
EOS 5D DSLR + EF-S 18-200mm f/3.5-5.6 IS lens ($300)
EOS Rebel XSi + EF-S 18-55mm f/4-5.6 IS lens + 55-250mm f/4-5.6 IS lens ($200)
EOS 50D + EF 70-300mm f/4-5.6 IS USM lens ($150)
EOS 50D + + EF 28-135mm IS lens + EF 70-300mm f/4-5.6 IS USM lens ($100)
EOS Rebel XSi + EF-S 18-55mm f/4-5.6 IS lens + 75-300mm /f/4-5.6 III lens ($100)
EF 200mm f/2L IS USM ($500)
EF 70-200mm f/2.8L IS USM ($200)
EF 85mm f/1.2L II USM ($130)
EF 100-400mm f/4.5-5.6L IS USM ($100)
EF 16-35mm f/2.8L II USM ($100)
EF 50mm f/1.2L USM ($100)
EF 24-70mm f/2.8L USM ($80)
EF 70-200mm f/4L IS USM ($75)
EF-S 17-55 f/2.8 IS USM ($70)
EF-S 10-22mm f/3.5-4.5 USM ($50)
EF 17-40mm f/4L USM ($50)
EF-S 17-85MM f4-5.6 IS USM ($50)
EF 70-200mm f/4L USM ($40)
EF 100mm f/2.8 Macro USM ($35)
EF-S 60mm f/2.8 Macro USM ($30)
EF 28-200mm f/3.5-5.6 USM ($30)
EF 28-105mm f/3.5-4.5 II USM ($20)
EF-S 18-55mm f/3.5-5.6 IS ($15)
Speedlite 580EX II ($50)
Speedlite 430EX II ($30)
Speedlite 220EX ($30)
Macro Twin Lite MT-24EX ($70)
Macro Ring Lite MR-14EX ($50)