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Carmel Valley, California
13-JUN-2009

Carmel Valley, California

Nikon D300
1/500s f/8.0 at 29.0mm iso400 full exif

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Dave Wyman17-Jun-2009 22:25
Good question, Guest.

>on film maybe but with digital, always use the lowest iso for the light<

The reverse is actually true. With today's DSLRs, or at least with mine, noise (or grain as its known when discussing film) is non-existent up to ISO 800. Therefore, using ISO 400 here has no discernible effect on image quality.

This isn't the case with film, where the lower the ISO, the less grain and better color fidelity.

In addition, I used a polarizing filter for this photograph. At ISO 100, with my preferred f/8 aperture (which offers the sharpest image), my shutter speed would have been 1/125th sec. However, because I was holding the camera in my hands, rather than using a tripod, I wanted a faster shutter speed to make sure the photograph wouldn't blur. Using ISO 400 guaranteed that.

Back in the day, I was a fan of films like Velvia, with its ISO 50. For me, I can achieve the same results - vibrant colors and no noise - with my digital camera, and I can do so much more with my digital camera, too.
Guest 17-Jun-2009 21:14
why would you use iso 400 in bright sunshine? on film maybe but with digital, always use the lowest iso for the light. you could have shot this 1/125 at iso 100.
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