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Digital video is a medium that is now available to almost everyone. It can be captured on anything from a mobile phone to a high-definition camera, and published anywhere from YouTube to Blu-ray discs. In Premiere Elements 4 Essential Training, Adobe Certified Instructor Chad Perkins explores all the video editing capabilities of Premiere Elements 4. Chad starts with a real-world sample project, then covers techniques for importing and editing video; and adding effects, transitions, and animation. He concludes with a final project incorporating all the steps, including exporting and posting. Exercise files accompany the course.
OK, so picking up where we left off in the last segment. This is going to be my final tip to you in this little chapter on some technical issues and tips. One of the things you see often when you're looking at camera descriptions is the stuff about optical zoom. There s a 40X optical zoom and so many X's digital zoom. What the heck is up with that? Well, optical zoom is basically how many times the camera can zoom in using its optics or in other words, bending the lens. So in this camera says that it has a 35x optical zoom. Basically what it's saying is it can bend the lens to zoom in 35 times what it would normally see.
That's quiet a bit. Optical zoom is an extremely high quality zoom. There isn't really a loss of quality for zooming in that closely. Now often time what you hear or see in camera descriptions is maybe something like 35x optical zoom, but something like 200x digital zoom. So it sounds really great that you could zoom in up to 200 times and that is kind of cool except that digital zoom, all it does is just scale up the image. It's almost if you were to take this into Premiere Elements, and then just scale it up 200 times the size. It's going to look terrible, it's going to look soft and blocky and awful, and so don't really worry about digital zoom.
It really means nothing because you can just blow it up in Premiere Elements with the same results. What you really want to be concerned about is this optical zoom. Now I will say that not all optical zooms and not all cameras are created equal. And sometimes prices isn't always a good description of what a camera can produce. So be aware of that as well. Just because a camera has like a 50x optical zoom, doesn't necessarily mean that the picture quality is going to be any better. It only means that you'll be able to zoom in from that much farther away without losing any quality.
And that is the difference between optical zoom and digital zoom. Again to sum up, optical zoom, great; digital zoom, boo-hoo-hoo, is bad stuff.
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