Designed for photographers who haven t memorized every button, dial, setting, and feature on their Olympus OM-3, Rocky Nook s handy and ultra-portable quick reference Pocket Guide helps you get the shot when you re out and about.m Confirm that your camera is set up properly with the pre-shoot checklist. Identify every button and dial on your camera. Learn the essential modes and settings you need to know. Dive deeper with additional features of your camera. Execute step-by-step instructions for shooting multiple exposures, in-camera HDR, time-lapse movies, and more. Follow tips and techniques for getting great shots in typical scenarios (portrait, landscape, freezing action, low light, etc.)