Heres a neat tip for digital photographers trying to shoot at slow shutter speeds without image-stabilized (IS or VR) lenses. Actually, it can even be helpful for those using IS/VR lenses when youre really pushing the limits of hand-holdability.
Set your camera to burst mode, frame your subject, brace | | yourself as firmly as you can, and squeeze the shutter button gently. Hold it down so that you fire off a burst of about 5 images. Odds are, once you get back to your computer and examine the images, therell be one image thats considerably sharper than most of the others. Delete the duds, and keep this good one!
The downside is obvious - youll use up a lot more space on your memory cards.
If youre shooting in JPG mode and want a quick way to tell which image is the sharpest, just look at the file sizes. The one with the largest file size is nearly always the sharpest shot. This is because the JPG algorithm tries to preserve detail - the sharper your image, the more fine detail is present, and the less the JPG algorithm is able to compress the image. Incidentally, this is why high-ISO JPGs are larger than low-ISO JPGs of the same scene - the higher noise in the high-ISO image adds lots of fine detail, so the image cant be compressed as much.
Of course, just like real IS/VR this technique only helps with correcting for camera shake. A moving subject and a slow shutter speed will still result in motion blur in the image.
About The Author
Darren is the owner of One Stop Under, a web site for professional and serious amateur photographers. For photography news, links and more tips like this one, visit http://www.OneStopUnder.com.
darren@pool-room.com
This article was posted on August 14, 2005 |
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