Lighting a Scene With a HDR

In this tutorial Jeff Patton explain why HDR/EXR files may appear dark in a scene.

Here’s another popular question I frequently hear: My scene looks fine with the mrSun/mrSky system but when I use a HDR it’s black. Does mental ray, iray, vray, whatever-ray not support HDRs? If this has affected you, read on for the most common explanation.

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