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Cameras & Photography
A good photo is part art, part science. Whether you like to manually focus and carry a slew of lenses in a Tamarac bag or go digital and let a high-tech camera do the work for you.
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How Shutter Speed Works
When you press the button on your camera and hear that distinctive click, you’re really hearing the sound of the camera’s shutter opening and closing in a fraction of a second. That time -- that is, your camera's shutter speed -- can dramatically alter photo quality.
How to Know What F-Stop to Use
All these numbers and letters might seem confusing at first, but using your camera's f-stops is really quite simple once you understand some basic principles. Find out how fiddling with f-stops can enhance your photos.
What is ISO speed?
ISO speed is one of three things that determine the quality of your photos. How can you control ISO speed to get the best shots possible? Learn all about it here.
How UV Filters for Cameras Work
It's a shock when a photo image looks completely different from the image you've retained in your mind. Did you know that UV radiation is partially to blame?
How important is film speed?
The best photographers feel a need -- a need for ideal film speed. But what is film speed and why does it matter?
How to Take Better Pictures on Your Phone
Just because your phone has a camera doesn't mean it takes high quality photos. What can you do to click better shots with your cell?
How to Restore Old Family Photos
Photos of all kinds can capture memories, and there's something particularly endearing about family photos (especially really old ones). But what happens when those delicate old prints get damaged? What's the best way to restore them, and can you do it yourself?
How WiFi Cameras Work
WiFi cameras can send digital photos straight to your computer or Web space as long as you're near a wireless connection. How do these cameras work to upload your photos wirelessly?
How do you upload photos to a computer?
It's so easy to take pictures with digital cameras that we fill up the memory capacity of all our gadgets in no time. So how do you move your photos to your computer?
Cool Camera Stuff Pictures
Cameras are everywhere -- in phones and cars, on buildings and street corners, and even in outer space. Check out the technology, gadgets and imagery that are all part of the bigger camera picture.
How High-definition Camcorders Work
Whether you want to be the next Spielberg or the hottest YouTube sensation, these sophisticated video cameras will shoot your subject in amazing detail. It's up to you to turn it into art, though.
How has burst photography changed the way we perceive action?
Did you know some cameras can shoot up to 60 still frames per second or movies at 1,200 frames per second? Burst photography captures a rapid sequence of images within a very short time frame.
How High-speed Photography Works
Most people enjoy capturing memories on film: birthdays, anniversaries or perhaps a trip to the beach. But how can someone take a picture of a speeding bullet? How do they freeze a hummingbird's wings in mid-flight?
Do police cameras reduce crime?
Ever spotted a police camera peering at you on the street? Many question how effective these cameras really are. Find out how much money is spent on these mechanical eyes.
How Digital Cameras Work
Essentially, a digital image is just a long string of 1s and 0s that represent all the tiny colored dots -- or pixels -- that make up an image. This format allows digital cameras to produce instant photos that you can edit, print and share online.
10 Tips for Getting the Most From Your Digital Camera
With a digital camera, you can take as many pictures as you want without worrying about wasting film, but digital cameras also involve issues that film cameras don't. Check out our tips for getting the most out of your digital camera.
Digital Photography Basics
If you're contemplating the change from film to digital and aren't sure where to get started, check out this article to learn the basics of digital photography.
How Camera Flashes Work
A camera flash seems like a pretty basic device, but there's actually some interesting circuitry at work. Find out how a flash charges up and see exactly what happens the instant it goes off.
How do instant cameras work?
Instant cameras depend on the same process of photographic development as regular film cameras. How does such a small device encompass the developing process?
How Cameras Work
Digital may be taking over, but optical started it all. A camera is an incredible piece of technology that essentially records light. Take a look inside a single lens reflex camera.
What are the best settings for e-mailing or printing digital pictures?
Digital cameras can make some things easier, but digital photography requires an understanding of file types and sizes. Find out how to make the best use of them here.
How Camcorders Work
If you're looking to get famous on YouTube or delight your friends with hours of your vacation footage, there's no time like the present. Camcorders have gotten small enough to fit in a pocket. Find out how they work.
What is the difference between CCD and CMOS image sensors in a digital camera?
Both of these devices are used to turn light into electrons inside a digital camera. But each uses different methods, so they have very different benefits and drawbacks. Learn how to choose.
Why do people have red eyes in flash photographs?
Why do people have red eyes in some flash photographs? Take a look at the science behind why red eyes happen.
How does a pinhole camera work?
I have seen things called "pinhole cameras," and I have even seen pictures taken by them. How do they work? Why don't they need a lens to focus the image?
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