Need to Know : 

As it currently stands only Nuke & Fusion can add post color corrections (also know as Tone Mapping) correctly. Photoshop and After Effects require addition plug-ins. This means if you are doing Animations you can keep your animation/Image Linear, if your doing stills you will need to save your correction out of the V-Ray Frame buffer or use separate render channels option in Vray (this will save/bake your correction) but you are saving the highlight burn into the file.Here are some plugin you can upgrade Photoshop & After Effects.

http://www.dummies.com/photography/digital-photography/types-of-photography/how-to-tone-map-hdr-images-with-photoshop/

Arion FX – http://www.randomcontrol.com/-for-photoshop

Photomatix – https://www.hdrsoft.com/download/pluginwin.html

  • Image >Adjustments >HDR Toning
  • Copy setting above (I’ll keep working on these)
  • Tone Curve and HistogramFirst point: 0, 0
  • Second: 27, 23
  • Third: 89, 90
  • Fourth 100, 93

Using a LUT From 3dsmax & VRay

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Use this if you are manually loading in a color correction from 3dsmax.

  1. Load the LUT
    1. NUKE: Load using the Vectorfield Gizmo
  2. Non LUT’s
    1. You can recreate the 3dsmax&VRay style with custom gizmos like :
      1. LINK : https://forums.chaosgroup.com/forum/v-ray-for-3ds-max-forums/v-ray-for-3ds-max-tutorials-tips-tricks/62729-tone-mapping-in-nuke
    2. Or use a expression Node
    3. Expressions, Change the BurnAmount to a number between 0-1
      1. r*(1+r*(BurnAmount**2))/(1+r)
      2. g*(1+g*(BurnAmount**2))/(1+g)
      3. b*(1+b*(BurnAmount**2))/(1+b)