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Pixel Terminology

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What does DPI and PPI mean? Is there any difference between the two?

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Camera Managed to Capture Light Emitted 12 Billion Years Ago!

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On April 19 2014, light from around 12 billion years ago was photographed.

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Understanding White Balance

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How can I make best use of the White Balance setting in my camera?

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Exposure Issues

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My iPhone doesn’t allow me to compensate exposure, and it meters the photo based on where I tap focus from. What do I do if I want greater control?

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That Blinking Red Light

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Why does the red indicator light blink, every time I shoot a picture with my compact camera?