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D-70 ISO speeds
Old 08-24-2004, 11:21 PM   #1 (permalink)
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Looking to get my first d-slr after 2 years with a Coolpix 5000 and am considering the D70. My question is this...does the fact that the ISO doesn't go below 200 make a difference? I've always been taught and have been proven time after time with film that the higher the ISO the worse the color reproduction, grain, etc. I know that this doesn't translate perfectly into digital and I know the bigger chip means better images but does that overcome the lack of a 100 speed setting? It isn't a deal breaker if the trade-offs work in the favor of great images. I know the D100 is out there with a 100 setting but the technology is 2 years old. Is it still a viable contender? Are there any other cameras out there at the $1000-$1300 range that have a 100 setting?

Here's an image with the CP5k from Saturday.



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Re: D-70 ISO speeds
Old 08-25-2004, 01:22 AM   #2 (permalink)
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I have a D70, and the short answer is get the D70, not the D100. There are a bunch of improvements over the D100, so don't waste your money on old technology.

The medium length answer is that (as I read in a review somewhere, maybe here), the ideal, best quality ISO for the camera is 200. To make a "100" would have been an artifical setting that would sacrifice quality in some other fashion. Think of it this way - if you push 100 film to 400, you get an increase in grain and contrast. If you pull 100 film to 50, you get a lowering of contrast and color shift to cyan (usually). The maker of the film decided the optimum setting was 100 ISO. In this case, they determined the optimum setting for the D70 was 200 (if you go higher, they say above 800, you eventually introduce noise). All other features being taken into account, I was willing to settle for the 200 ISO (and a 1/500th flash sync) and have been very happy. I've shot three pro jobs with it, and although the clients have been very pleased with the results, I've not seen any final printed pieces, other than what I've done on my Epson, which look great.

Now, there is a long answer out there somewhere I'm sure, that gets really technical, but I can't find it at the moment. You can also read this review http://www.bythom.com/D70REVIEW.HTM and if you scroll down to the section on "Exposure" you will see some information relating to the ISO, especially compared to the D100.

The two reviews I've linked here should tell you all you need to know.

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Andy Pearlman
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Re: D-70 ISO speeds
Old 08-25-2004, 01:36 AM   #3 (permalink)
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The Canon 300D has the 100 ISO setting on it if that is one of the things that you are looking for.
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Re: D-70 ISO speeds
Old 08-25-2004, 06:19 PM   #4 (permalink)
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[ QUOTE ]
I know the D100 is out there with a 100 setting but the technology is 2 years old.

[/ QUOTE ]

The D100's minimum ISO is 200, Mark.. not 100.

At this point, I'd think it'd be wise to wait and see what Nikon does at Photokina... too many hints that there's a replacement for the D100 coming out to go out and invest in the D100 right now, I think. So, I'm waiting until they put the D100 on fire sale, so I can pick up another one for backup! [img]/ubbthreads/images/graemlins/grin.gif[/img]

Wayne
See what my D100 does at ISO 200 and up
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