The Tamron SP A005 USD camera lens is specially designed to be used with any member of the Canon family of digital SLR (single lens reflex) cameras, commonly known as DSLR. The Tamron SP A005 has a focal length of a minimum of 70 mm and a maximum range of 300 mm with a max aperture field of between four and 5.6 mm as well as a USD ultra-silent drive motor for barely detectable focus changes. The Tamron SP A005 USD camera lens also has a mini-focal distance length of 59.1 inches so that the perfect shot can be captured, whether up close or into the distance. One of the most helpful features of the Tamron SP A005 is the vibration compensation image stabilization ability, which helps to reduce image distortion due to shaky hands during handheld photography whether the photography enthusiast is standing still or moving about to capture action shots. With its LD low dispersion and XLD extra low dispersion rates as well as nine diaphragm blades, this lens can quickly be manually focused or the photographer can rely on his or her Canon camera's auto focus setting. This lens is ideal for still objects and portraits as well as fast moving subjects such as auto, animal, or human racing and sports such as basketball, hockey, baseball, soccer, and football. The dimensions of the Tamron SP A005 USD lens are 5.6 inches wide by 3.2 inches in diameter. It weighs a total of 27 ounces when it is off the camera.