A 3-in-1 microphone for Canon DSLRs by Jose Antunes - ProVideo Coalition
Canon DM-E1 Directional Microphone for EOS Digital Camera #1429C001 13803275346 | eBay
Amazon.com: Advanced Super Cardioid Microphone for Canon DSLR & Video (Stereo/Shotgun) with Dead Cat Wind Muff (Alternative to Canon DM-E1) : Electronics