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Old 10-18-05, 10:47 PM
  #91  
2manybikes
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allgoo, I tried....

I have a digital camera that does not have "exposure lock" that can repeat the last setting used. It has "aperture priority".
You can pick one of two apertures and then move a slider sideways to change the "exposure". It does not tell you much. When the LCD screen is on you can see the "exposure" change as you slide the slider over. You just have to set it and try a photo.

I took 7 or 8 lights out in the driveway, set up a tripod, took a bunch of pictures of each light. I set water bottles at two set distances and measured the distance to a bike against the garage etc. I got the pictures in the computer to see If I had something to post. I also experimented with labeling the pictures.

I finally deleted them all and gave up for the day, they were terrible. ARGH. I have to find a camera setting that will show them all in some kind of fair comparison. The difference between the high and low powered lights is so great that I did not yet find one camera setting that will show them all.

Any camera experts have an idea? I tried auto. I had some ambient lighting, that may have been one problem. I'm going to try the very dark bike path. I also can pick from averaging, center weighted, and spot light metering on my camera. I can change the iso too. I'm open to suggestions.
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