Or.. read about someone else's mistake on this forum.
queenbee288 Cream of the Crop  More info | Oct 27, 2007 06:48 | #16 Or.. read about someone else's mistake on this forum.
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tzalman Fatal attraction.  13,497 posts Likes: 213 Joined Apr 2005 Location: Gesher Haziv, Israel More info | Oct 27, 2007 08:16 | #17 Hermeto wrote in post #4199255  Why would he do that when A) the results are the same, and B) ISO 1600 -1EC (H) is already available in settings? There is nothing wrong with that, but it is just unnecessary IMO.. As in every other case where the choice is between letting the camera do it and doing it in the converter, with experience and knowledge you can do it better in pp. Elie / אלי
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djeuch Senior Member  933 posts Likes: 1 Joined Sep 2007 Location: Langhorne, PA USA More info | Oct 27, 2007 08:41 | #18 I found some references here:
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djeuch Senior Member 933 posts Likes: 1 Joined Sep 2007 Location: Langhorne, PA USA More info | Oct 27, 2007 08:48 | #19 djeuch wrote in post #4200705 I found some references here: http://forums.dpreview.com …age=25100029&changemode=1 30D info: http://forums.dpreview.com …rum=1019&message=19721647 Basically, according to the research, Canon sensors only run at full ISOs; anything else is mathematically interpreted. As a result, I've gone into the CFs and changed ISO settings to full-ISO steps only, and even EC to 1/2 steps (since I can't do 1-step only - 1/2 and 1/3 are the only options). I then have the full un-altered range to work with in RAW. More openphotographyforums.com wrote: The down scaled settings (160, 320, 640, 1250) have better signal/noise ratio "on paper" and the up scaled ones (125, 250, 500, 1000) have worse. This is useful to know when shooting JPEG. When shooting raw the intermediate ISOs are useless - you can just as well underexpose or overexpose a round ISO by 1/3 stop and respectively push or pull the exposure during raw conversion. The benefit is that one has full control - which presumably is the reason to shoot raw in the first place.
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