Custom Replacement foot for the NEW Canon EF 300mm f/2.8 IS II Lens. Care was taken in designing this foot to solve the balance issues with this lightweight lens. Arca Swiss style mount with the double dove tail design. Limit screws and a 1/4 -20 monopod mount. Our unique designs are; sculptured to provide weight reduction, burnished for comfort in the hand, aircraft alloy for strength, and hard anodized for a durable finish.