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Topic starter
13/02/2025 10:14 am
Using HDRI maps from HDRI Haven in VRay (trying to do indoor scenes). Got dome light set up with HDRI map but results are super dark - have to crank multiplier to like 12 to get anything usable. I see tutorials where people add sun + extra lights, but isn't HDRI supposed to handle all lighting naturally? What am I doing wrong with my setup?
13/02/2025 10:24 am
Your setup is actually correct - only HDRI on dome light is the "correct" way. For better results:
1. Check VRay's physical camera settings - try ISO 800, F2.8, 1/60 SS.
2. Adjust the exposure in VRay Bitmap Settings.
3. Set highlight burn close to 0.
Multiplier around 1.5 should be enough.
13/02/2025 10:27 am
Important tip: make sure that your HDRI is not also plugged into the Environment/Reflection map - this will double your lighting. If you want a different HDRI for reflections, use the Reflection/Refraction environment toggle separately.
Topic starter
13/02/2025 10:30 am
Thank you! Camera settings made a big difference. Another question - should I use the "Lock texture to icon" option?
13/02/2025 10:32 am
@wilsongyday Yes, check "Lock texture to icon" and if you don't want the HDRI to be visible in the render, check "invisible" in the options. For the background use a regular jpg instead of an HDRI and uncheck "Affect background" in VRay's color mapping.
13/02/2025 10:33 am
Don't bother with portal lights btw, they are outdated workflow. Just proper exposure settings + GI will give you better results. If you need extra punch in certain areas, a few subtle fill lights are fine.
Topic starter
13/02/2025 10:35 am
Got it working! ISO 800 + F2.8 + multiplier 1.5 looks perfect. Sunny day look without fake extra lights 👍