Canon EF Lenses User Manual designed for all the owners of Canon EF Lenses who need the user manual to get the best result when you take a picture. Ever before noticed that "creativity" consists of the word "graphic"? That's due to the fact that developing a picture beginnings with your imagination. When you have a photo in mind, you should pick a lens which could catch that picture. As well as whatever that picture could be, you can be certain that Canon has the lens you require. Whether it is a 15mm fisheye or a 1200mm extremely telephoto, all Canon EF lenses function the finest products (especially the L-series lenses) as well as technologies. They include Fluorite, UD (Ultra-low Dispersion) glass, Aspherical lenses, lens-based Ultrasonic Motors, inner and rear focusing, Image Stabilizer, Diffractive Optics, as well as a completely digital interface. Only the variety as well as adaptability of EF lenses could match your marvelous imagination.