It is uncommon that a company can enhance a product that is regarded as the best but Canon did exactly that with the EF 70-200mm f/2.8L IS II USM Telephoto Lens. It keeps all of the characteristics of the original but improves the optical quality, speed and performance. If you never had an L lens, you will be very impressed with its awesome sharpness.You could take clearer indoor pictures, due to the Image Stabilization. With the bigger aperture, the subject will be in better focus and you won't have motion blur from the movement of the zoom lens. A black o-ring at the mount seals it from the weather but to make a complete seal, you have to put a lens filter. It actually works best with portrait photography or sports. For individuals who think there isn't any reason to upgrade, you happen to be wrong because there is a huge improvement. It's been almost a decade between the original and the latest so there has been numerous technological improvements made to the most recent update.The buttons are arranged more intuitively and you should not have any difficulties changing to MF if you are shooting. With the silent Image Stabilization, you will no longer hear the sound of the gyro. The optics are actually improved for better quality, with one fluorite and five UD elements. Now there is decreased flare in the improved contrast. It focuses more quickly and quieter and considerably closer, which allows you better tight portraits when indoors. It is not as difficult to affix and take out the lens because of the lock and you won't have scratches with the different texture. If you are intending on keeping it for years, it is worth the upgrade.Visit us at Wedding Photography Durham As with any excellent Canon lens, the cost is high but it is everything you'd expect. To help maintain a set aperture of f2.8 through the entire zoom range, it takes a lot of glass making the L lens rather heavy. If you plan to pan left to right like following a car, you can use Mode 2 of Image Stabilization to help you do a great job. If you are having trouble focusing indoor shots, it may be because you have selected 2.5 to infinity on the focus distance selector.Lots of people who invested in the Canon EF 70-200mm f/2.8L II IS USM Telephoto Zoom Lens for Canon SLR Cameras found it to be a superb lens and well worth the investment. This sort of lens isn't a casual purchase but intended for people who love photography.Visit us at Kambiko Photography Newcaslte