Author: Admin
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Using IronPython for Administration Tasks
Understanding the Command Line The command line is a text-based environment that some users never even see. You type a command and the computer follows it — nothing could be simpler. In fact, early PCs relied on the command line exclusively (even earlier systems didn’t even have a console and instead relied on punched tape,…
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Windows Phone Embedding Audio in your Game
Controlling an audio file Music has the ability to impact the emotions of human beings. Different styles of music produce different feelings. Fast tempo music makes people feel nervous or excited; when the tempo becomes slow, people feel relaxed and safe. In modern video games, music often plays an important role in creating the atmosphere.…
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Canon 7D, A Few Words about External Flash
The built-in pop-up fl ash on the 7D is a nice addition to the camera and, as you’ve learned in this chapter, it can be useful, but as far as quality of light goes, it’s average. I don’t use this fl ash very frequently in my photography since I fi nd that there are other,…
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Canon 7D, 2nd Curtain Sync
The 7D has two fl ash synchronization modes: fi rst curtain and second curtain. The term curtain relates to the opening and closing of the shutter—the fi rst curtain refers to when the shutter is being opened, and the second curtain describes the point just before the shutter is closed (try to visualize a curtain…
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Canon 7D, Reducing Red-Eye
When photographing people with an on-camera fl ash, one thing that we’ve all seen and would like to avoid is red-eye. This effect is the result of the light from the fl ash entering the pupil and then refl ecting back as an eerie red glow. This is especially true when it is dark and…
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Canon 7D, Compensating for the Flash Exposure
Sometimes your fl ash will be too bright or too dark for your subject. While the E-TTL system is highly advanced and will get the fl ash’s output close to where it should be, it doesn’t always know what you want the image to look like. CHANGING SETTINGS USING THE QUICK CONTROL DIAL You can…
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Canon 7D, Using the Built-in Flash
There are going to be times when you have to turn to your camera’s built-in fl ash to get the shot. The pop-up fl ash on the 7D is not extremely powerful, but with the camera’s advanced metering system, it does a pretty good job of lighting up the night… or just fi lling in…
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Canon 7D, Shooting Long Exposures
Sometimes you’ll want to shoot in low light and use a long exposure, such as when photographing fi reworks, star trails, or streaks of light coming from cars on the street. The fi rst thing you’ll need in order to capture quality images with long shutter speeds is a sturdy tripod. It’s also a good…
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Canon 7D, Focusing in Low Light
When you are taking photos in low-light situations, you will fi nd that the camera’s autofocus doesn’t always work. But before you can properly and consistently fi nd focus in these instances, you need to understand how your camera’s focusing system operates. First, you should know that when you are trying to focus on your…