…for the big increase in traffic this month:
Archives for August 2015
How to judge a camera’s imaging
[If you’re wondering where yesterday’s post on the base ISO of the a7RII went, I pulled it. Bill Claff, Jack Hogan, and Iliah Borg helped me see that my model for an Aptina DR-Pix camera was grossly oversimplified, resulting in erroneous conclusions. I hope to have a better version to post before too long.] A… [Read More]
Fake ISOs, ETTR, & WYSIWYG
I posted my test results and conclusions on the a7RII’s fake ISO settings on the DPR alpha 7 forum. To put it mildly, a lively discussion ensued. The SNR was not particularly high, but even so, as is usual in Internet discussions, I learned a couple of things. In my original post, I took the… [Read More]
Nikon D810 fake ISOs
Yesterday I talked about the way that the ISOs below base ISO are implemented in the Sony a7RII. Today I’ll turn my attention to the Nikon D810, using the same methodology. You might want to look at yesterday’s post if you haven’t seen it already. Here are the statistics for a series of images exposed… [Read More]
Sony a7RII fake ISOs
From the mailbag: I told [name] that the ISO values below 100 on the A7R2 are “fake” and that the dynamic range measurements you provided for those ISO values are spurious. I tried to find where you discussed that and was not able to. [name] was asking for a link. Do you have anywhere on… [Read More]
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