Tag Archives: dynamic range

Tweaking HDRI skies and time-lapses

gamma differences in blender HDRI rendering

I do like to talk up how great our HDRI skies are for 1-step image based lighting and how you don’t need additional lights and so on, however every project is different and sometimes you might like to tweak a few things! Over the years I’ve had a number of emails …

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Clamped MDRIs vs Un-Clamped HDRIs.

What are clamped or un-clamped HDRIs? I’ve been writing about this a lot lately as I think HDRIs in general are often used only for ambient lighting, when in fact if shot correctly, they can be used in a much simpler (and more realistic), 1-step lighting workflow. Originally I made …

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Why are the time-lapses taking so long?

So I’m a ways overdue now aren’t I? I put Q4 as the release date and now that’s long gone. So what’s going on with the time-lapses? Good question! Initially I was testing the best shooting setup to capture the HDRIs as efficiently and accurately as possible, and since that …

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32bit Sharpening for HDRI

Here’s another quick post if you’re interested in creating sharpened HDRIs (not tone-mapped HDRIs, which is pretty straight forward and actually LDR). The issue when sharpening an HDRI (a 32bit .hdr or .exr) is that software like Photoshop wasn’t built to sharpen 32bit, HDR images. So while most of your …

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3rd Time-Lapse HDRI Sky Dome

This is another older HDRI sky shot at f3.5. As a test, I developed the NEFs with -2 exposure per bracket in order to try and get more dynamic range. However, I’ve since been informed that changing exposure like this doesn’t exactly achieve much, and results in a slight loss …

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