"Please do not buy this book if you already know how to use 50mm 1.8 lens to create beautiful blurry background" This book will help you Master 50mm 1.8 lens in less than 1 Hour. Its a small 26 page book showcasing capabilities of 50mm 1.8 lens. Many People around the globe are already benefited from this book. Book is intended for people who are planning to buy new 50mm 1.8 (Canon or Nikon) lens. or People who just bought 50mm 1.8 lens and want to Master the lens quickly. To help you make better Images I am including one Extra Chapter on "How to get better colors out of your DSLR"