Incorporating Fluorite elements for improved image quality and reduced chromatic aberration plus a number of advanced coatings to minimize ghosting, flaring, and with a newly developed Fluorine coating that keeps soiling, smears and fingerprints to a minimum, the EF 300mm f/2.8 IS II USM is ready to...

Where the original Canon 300mm ƒ/2.8 IS USM was very good, Canon's refinements have made it even better. If you're looking to buy, it doesn't get any better than this, but then, you probably already guessed that.