![]() Imaging Resource staffers use both apps regularly, and we've found them to be exceptionally useful tools - and if you act quickly, you can purchase one or both right now at a significant discount. Thru Septemwhen the Summer Sale ends, all LibRaw products are available at a 25% discount over standard pricing, with purchase information for FastRawViewer here, and for RawDigger here. You can download the latest version of RawDigger from And as if that wasn't already enough, even greater volume discounts of close to 50% off are available.I have been asked to provide a quick tutorial on using RawDigger and posting its histograms. ![]() It is free, and there are versions for all major platforms. Once you download and install RawDigger, simply drop your raw file on the RawDigger icon or open RawDigger and drop your raw file on the open RawDigger window. Once RawDigger digests your file, open the histogram window from "Window > On the top portion of this window, check "EV-scale X-axis". Experiment if you don't like the results.įor example, try Bin 1/64, with a range of -10 to 0 EV. Check "Show EV Grid" and set your "0 EV" according to your camera. You can determine this value by opening a "blown" raw file and looking at the max figures: use that value. I like to use 1/3 EV ticks, but you may prefer something else. On the "Y-Axis Range", click Auto, Log scale, and Grid, and use a max of something like 100K.
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