Course Technology PTR has your complete digital photography solution. Created with the expertise of bestselling author and photographer David Busch we now offer books, iPhone applications, and quick reference guides on the latest digital and digital SLR cameras from Canon, Nikon, Sony, Pentax, Olympus, and Panasonic. These three formats allow you to have a comprehensive book to keep at home, an iPhone app to take with you when you’re on-the-go, and a pocket-sized compact guide you can store in your camera bag. Now all the camera information you need is at your fingertips in whatever format you prefer.

David Busch is the #1 bestselling camera guide author. A professional photographer with more than 20 years of experience and over a million books in print, David provides expert authority to these guides, covering digital and digital SLR cameras from Canon, Nikon, Sony, Pentax, Olympus, and Panasonic. Click here to learn more about our David Busch camera guide series.

Need to access info about your camera on-the-go? Discover our brand new David Busch iPhone Apps!

Want your camera information in a pocket-sized, spiral-bound guide you can keep in your camera bag? Check out our brand new David Busch Compact Field Guides here.

About David Busch

David BuschWith more than a million books in print, David D. Busch is the world’s #1 selling digital camera guide author, and the originator of popular digital photography series like David Busch’s Pro Secrets and David Busch’s Quick Snap Guides. He has written nearly two-dozen hugely successful guidebooks for a wide variety of digital camera models, as well as many popular books devoted to dSLRs, including Mastering Digital SLR Photography, Second Edition and Digital SLR Pro Secrets. As a roving photojournalist for more than 20 years, he illustrated his books, magazine articles, and newspaper reports with award-winning images. He’s operated his own commercial studio, suffocated in formal dress while shooting weddings-for-hire, and shot sports for a daily newspaper and upstate New York college. His photos and articles have been published in Popular Photography & Imaging, The Rangefinder, The Professional Photographer, and hundreds of other publications. He’s also reviewed dozens of digital cameras for CNet and Computer Shopper. His advice has been featured on National Public Radio’s All Tech Considered.