Friedman Gary L. Friedman 
Friedman Archives Guide to Sony’s Alpha 9 [EPUB ebook] 

The Sony A9 needs no introduction… but if you’re an owner of this incredible camera, you probably could use a friendly hand explaining the myriad of options and settings. In this book which is aimed at the professional shooter, every function in Mr. Friedman’s famous approachable, easy-to-understand yet technically thorough style. All focusing, exposure, and video modes are clearly explained, and many suggestions for combinations of settings that lend themselves to certain shooting situations are explained.