Canon EF 100-300mm Telephoto Zoom Lens List Price $550.99 This auction is for one Canon EF 100-300mm telephoto zoom camera lens in like new condition. This lens is a compact and relatively lightweight lens that is perfect for the outdoor enthusiast or sports photographer. Also, it contains a ring-type Ultra Sonic Motor (Canon’s top of the line motor) that is very fast and extremely quiet which is very useful for shooting wildlife. The exterior is in extremely good condition and shows no signs of wear and the optics are clear with no chips, scratches, or fungus. Plus, it includes a Canon UV/Haze filter, both front and rear lens caps, a rubber lens hood, and a vinyl lens pouch. Last, I tested this lens on my 30D prior to listing and the Auto Focus is working correctly and the optics are clear. From Canon: The Canon EF 100-300mm lens completes a fusion of state-of-the-art electronics, mechanical precision, and optical excellence. The fully electronic EF lens mount is unique among 35mm SLR cameras, operating silently and reliably due to the complete elimination of mechanical couplings. It has a custom- designed autofocus motor and microprocessor, and employs ultrasonic motor technology, aspherical lens elements, flourite crystal and ultralow-dispersion glass. The EF 100-300mm is designed for use with all EOS cameras, allows auto and manual focus modes, has a rear focusing system, and an affordable price.