The other thing that tells me the apple cart has changed is that with film, the lowest color print film ISO was 100, then 200, 400 and 800. With slide film I think it went to 25 or 50 ISO. With my camera, Nikon has opted to have 200 as the bottom end.
I'm sure that they have thought about this a lot, and maybe even run some tests. The only thing I can figure is that they must have concluded that 200 digital, is so much better than 100 film, that there's no reason to take it down any further.
I'm tempted to print a couple of these examples out in 8x10 format. Although you would think that if it was going to fall apart it would be apparent here.
Actually, my first reason for doing this exercise was to demonstrate how different ISO settings affect shutter speed. Notice the above settings and how the shutter speed increased when the ISO increased. Higher shutter speeds can be your friend, lower shutter speeds can make you vulnerable to camera shake and subject movement, thus causing blurry images.
I've exhausted myself on this matter, I should nap.
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Mike McCarty
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