Sunday, June 1, 2008
Easy Digital Video
Add some movement and sound to your next trip into the wilds
Interest in video also has grown with two things: video on the web and high-definition video. Newspapers and news magazines now are adding video regularly to their coverage of events on their websites. This adds a multimedia dimension to the news that can be engaging. And high-definition video has increased image quality, giving video a quality that just was never available before. I watch more nature programs on television when they’re in high definition, or HD.
If you want to try out video, it doesn’t have to be expensive, even for high definition. You don’t even need a special video camcorder. Many compact digital cameras include the ability to capture excellent-quality video built into the camera, plus this video is recorded to memory card, rather than tape, making it easy to get it into the computer for editing. In addition, new video programs are available for around $100 that allow you high-capability editing of videos for both the web and high definition. All you need is a large, fast hard drive to handle the increased storage needs of video.
Many small digital cameras have video capability, and for this column, I worked specifically with the Canon PowerShot G9. This compact digital camera has full controls, from a variety of exposure modes to manual focus and more for under $500.
The camera offers a fine built-in zoom lens that offers a 35mm-film equivalent of 35-210mm. You even can add accessory lenses to extend that range. In the video area, it records standard, traditional video of 640 x 480 pixels at 30 fps. That 30 fps is significant because that’s how we view all video. We’re used to seeing motion at that speed.
In addition, the camera records high-definition video of 1024 x 768, though at 15 fps. Even at 15 fps, that’s impressive. The difference between 30 and 15 fps is that the lower fps won’t give quite as smooth a movement, which is especially noticeable when you pan or move the camera across the landscape. It actually isn’t as noticeable with moving subjects such as birds. Still, there’s a trade-off in using high definition versus standard mode in this speed. Yet if you want something to fill up that new high-definition television in your living room, this camera gives beautiful results.
The G9 includes some lower-resolution video, which allows you to record more on a memory card and which can be used for the web. However, I think you’re best off shooting at the higher 640 x 480 resolution and downsizing in the computer later. The camera also includes an interesting way of shooting 640 x 480 that allows you to shoot at one fps or even 0.5 fps. This dramatically speeds up motion, including allowing you to see a flower open on screen.
This spring, I was up at the Lepp Institute of Digital Imaging doing a class on digital printing. The Lepp Institute has a great location right on the Pacific coast about midway through California near Morro Bay. Within a few miles is a beautiful state park called Montaña de Oro. I’ve always enjoyed shooting there, with its dunes and coastal bluffs and scrub vegetation.
I had taken the G9 with me because it’s a compact camera that’s easy to carry almost anywhere, yet I don’t feel limited by it because it has such a full set of capabilities. I took it out to the bluffs one stunning afternoon. When I got there, the light was still a little too high for the perfect landscape photo, but it was low enough to give nice definition to the scenery. I wanted to record some of that experience as video.
Recording video with small cameras like the G9 is easy to do. Simply choose the Movie mode and set the appropriate video resolution. Then press the shutter button and start recording. The camera records sound; however, don’t expect high-fidelity sound as the microphone is very small. When I do this sort of video, I typically add music anyway. So having a little bit of ambient sound is useful but not critical.
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