Why? Because a native file includes layer information,
which you??™ll learn about in Chapter 14. Preserving layers can save you a lot of time if you
want to go back later and make small changes to your edited photo.
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Chapter 11
Working with Digital Film
216 How to Do Everything: Digital Camera
How to??¦
?– Choose a camera based on its memory card format
?– Understand the advantages and disadvantages of various kinds of memory cards
?– Use a serial connection cable to copy images from the camera to the PC
?– Troubleshoot serial port problems
?– Correlate serial ports and COM port numbers
?– Use a USB cable to copy images from the camera to the PC
?– Solve USB port problems
?– Delete images from your memory card
?– Care for memory cards
Often, you??™ll hear people describe a digital camera??™s image sensor??”be it the Charge-Coupled
Device (CCD) or Complementary Metal Oxide Semiconductor (CMOS)??”as the equivalent
of camera film. Heck, I use that comparison myself pretty often. That??™s because the sensor
behaves like film. It??™s sensitive to light and is primarily responsible for sensing the scene in
the same way that the silver halide solution on chemical film records a scene. But, in just the
same way that about 50 different people each stake a claim to being the Fifth Beatle, another
component in your camera is also ???like the film in a camera.
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