This document is a user guide manual for the portable digital audio player from DIASONIC TECHNOLOGY Co. It provides safety instructions for the product and warns against making unauthorized changes to the equipment. It also includes precautions and copyright information.
EF lens user manual, introduces the use of EF lens, including installation and removal of lens, setting focus mode, depth of field scale, infrared mark, lens hood, etc.
EF70-300mm f/4-5.6L IS USM is a high-performance telephoto zoom lens with image stabilizer, specially developed for EOS cameras. It features an image stabilizer that has the effect of a shutter speed four stops faster, as well as UD lens elements that produce outstanding imaging performance.
