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If you have a passion for photography but don't know where to start, National Geographic has a simple guide to the basics. Whether you're using your digital camera or your smartphone, Joel Sartore breaks it down for you in short lessons. Also: The best cameras for beginners: Canon, Panasonic, Nikon, and more, compared"Photography has been a passion of mine since a young age; however, it wasn't until college that I decided to take a class to actually polish my skills," ZDNET's Sabrina Ortiz said. "It was there that my…