Hello everyone,Sorry to be the needy person, but I've been attempting to set up the cross-compiler for a long time on my Fedora16 system and have had no luck. I'm currently running the 200110615-4 (June 15, 2011) build of 400plus, and was wondering if someone could help me by extending the high ISO to 6400 and the corresponding 1/3rd stops between 3200 and 6400.Here is a link to the source code build 20110615-4 download:http://code.google.com/p/400plus/downloads/detail?name=400plus-20110615-4.src.zip&can=1&q=Any help would be greatly appreciated. Thanks, - Scott S.
Thanks for the quick response. You are probably much more knowledgeable about the subject then I am. I thought I had seen something from back in 2009 on this thread where someone had gotten the ISO up to 4000, or 5000. I was wondering if that was could be achieved, but it sounds like it is not. So does the camera start under-exposing once you get past 3000, because I've never noticed a problem when shooting at 3200? (Ex: ISO 6400 would be around 1 stop under-exposed)Interesting that the camera works by 1/8th stops internally. I never knew that.
How interesting. Well I guess that answers my question pretty well, and explains why it won't work. I wonder if there is some way to get around the broken image problem at ISOs higher than 3000. Some sort of other patch maybe? Probably not though. Thanks for all your help.
Quote from: scottscheetz on 16 / April / 2012, 18:31:28How interesting. Well I guess that answers my question pretty well, and explains why it won't work. I wonder if there is some way to get around the broken image problem at ISOs higher than 3000. Some sort of other patch maybe? Probably not though. Thanks for all your help.In 400plus we have to "enable" intermediate ISOs, as a previous step; just asking the camera to use them does not seem to be enough. That first action is still a mystery to me (somebody else found it before I joined the project), so perhaps there is a method to enable higher ISOs, that we must use before going higher than 3000... who knows.Bear in mind that we are just asking the camera to use one ISO or another, we are not doing any of the work ourselves; patching the internal processing algorithms is way out of scope for me.
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