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LCD Screens

Big and bright is a good thing, but look for ones that flip An LCD is like a small television built into the back of the digital camera. When you turn the camera on, the LCD shows you what you’re about to take a photo of. The most obvious difference between the LCD screens on …

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CCD and CMOS Sensors

How to capture light with a digital camera The camera’s image sensor is what captures light when the shutter opens. There are two primary types of sensors used in digital cameras today: one is called a CCD (Charge Coupled Device) and the other is called CMOS (Complimentary Metal Oxide Semiconductor). How does a CCD or …

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Exposure

How to get a photo correctly exposed by adjusting aperture and shutter speed Many people let their cameras determine exposure for them. They leave the camera on its manual setting, and hope that the camera gets everything right. There is only one problem. If you let your camera determine exposure for you, it won’t always …

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Memory Cards

The film for a digital camera CompactFlash. Memory Stick. xD Picture Card. MultiMediaCard. Secure Digital Card. SmartMedia Card. There is no lack of variety in the removable media market for digital cameras. These are the tiny devices that will store all of your precious photographs. Once again, there is no end to the information about …

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Megapixels

How many megapixels you need to print your favorite photographs When you hear the term megapixel, what comes to mind? A very large pixel The superhero of pixel land The total number of pixels captured by an image sensor If you answered number three, then you are already well on your way toward understanding why …

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Digital Camera Batteries

Whether you choose NiMh or Li-Ion, rechargeable is the name of the game You pretty much have two choices when it comes to digital camera batteries: rechargeable AA, or camera-specific battery packs. You can use standard (non-rechargeable) AA batteries in cameras that are compatible with them. The problem is that your digital camera will wear …

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File Formats

Welcome to acronyms 101 — JPEG, TIFF and RAW Finally we’ve come to something that is standard across all the digital cameras. Imagine that. Something that everyone agreed on! When digital cameras store photographs on removable media cards, they can compress the photo to save room on the card. This lets you take more photos. …

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Histograms

Histo-what? Here’s the good news for most of you: many digital cameras don’t let you see a histogram. You’re done now — you may get on with your life. For everyone else, here is a simplified approach to understanding the histogram. What is a Histogram? I like to thing of a histogram as a visual …

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ISO

Take photos in minimal light by changing the ISO ISO is an acronym for the International Standards Organization. ISO numbers tell you how sensitive your camera is to light. You can achieve two things by setting your camera to a high ISO: you can get a good exposure if there is not enough light, and …

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