4-Pack DSLR & SLR Cheatsheets. Pocket sized quick reference cards. Complete series for use with SONY A33 A55 A100 A200 A230 A290 A300 A330 A350 A380 A390 A500 A550 A580 A700 A850 A900 Concise, durable & ultra-light 45 cards with numerous how-to tips, tricks, techniques, and charts to help create stunning images Unlike most manuals, Quik Cards are written in easy-to-understand language Just clip them in your camera bag for quick help when you're out shooting Great reference for Beginners and Pros alike