Monday, November 24, 2008

Sledding

Shooting moving subjects isn't as difficult as you think. You'll need a fast lens - like our Canon 135mm f/2.0. A wide aperture (f/2.0) allows us to capture more light than would be possible with a narrower opening - which means we can use a faster shutter speed to freeze the action. This shot was taken at ISO 100 with a shutter speed of 1/800th of a second, and the aperture set at 2.0.

We were happy to have overcast skies to work with - so you won't see blown highlights or shadows that lack detail in this image. We overexposed the shots in camera just slightly - since we knew the white snow would confuse the light meter. I'd recommend taking a couple of test shots, and checking your histogram now and then as the light changes.

If 1/800 sec isn't fast enough to capture your action shots (a speeding baseball or racecar perhaps) - you can increase your ISO to compensate. Most SLR cameras handle high ISO situations relatively well - though I'd hesitate to go beyond ISO 1600 without a really excellent camera. You'll get more noise the higher you go - just be aware of that. You can check out your camera's ISO capabilities by reading some online reviews or taking a few test shots on your own.

I'm in the process of cleaning up my hard drive. I'm afraid I have entirely too many photographs on this poor machine. :) I'll be busy with that for a good part of the day - and then it will be time to back up the system. I'd like to get all that done before the holiday. Wish me luck!

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