This manual is primarily designed for Investigators, Enforcement Officers and Intelligence Operators who use digital stills (SLR) cameras and video cameras in order to obtain photographic evidence. Whether you are new to digital photography or experienced, this book will guide you through the basic principles to advanced techniques to ensure that you can obtain acceptable images taken in low light with telephoto lenses. This simple to use manual, heavily illustrated will take you through each step in a practical exercise format. You cannot read this book alone, you will need your camera to hand too. The manual is ideal for those involved in Law Enforcement Surveillance Investigations Intelligence Gathering Journalism Close Protection Security