The Living – Light Balance | Cg Blog

The Living – Light Balance

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In this lesson I’ll talk about Light Balance.


  • Analisys of the light contributes
  • Analysis of the shot and the composition rules
  • Lines/distortions/3rd rule
  • Use V-Ray Light as Portal
  • Outdoor and indoor application
  • With and without “simple” option
  • Curtain material
  • Overexposure control
  • Exponential Color mapping
  • HSV Exponential Color mapping
  • “200-50-10” sequence for exposure

The most important thing to do in any scene is understand the situation and choose the best way to approach.

The scene we’re going to study in this training in an interior with a lot of diffuse light because of a curtains. The sun light the interior through the curtains and th result we will reach is this render below:

What I mean with “correct approach”? I mean at first considering these 3 aspects..

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44 Responses

  1. sirmontal says:

    Awesome work – cant wait for the rest of it.

  2. farah adilla mohd zawahir says:

    TQ Ciro ! Been waiting for this a long time 🙂

  3. Gustav Hernandez says:

    Superb lesson Ciro, voice spot on, thanks so much.

  4. Nattawat Nonkanunt says:

    oh the Voice is so handsome

  5. sirmontal says:

    hey Ciro – if there is noise in darker regions of the image (ie where there is not enough natural light getting to it), how would you fix this? adding an artifical light or vray render setting?

  6. gil halamish says:

    voice so low almost unbearable makes it hard to understand and focus on what is said, sorry. your heavy Italian accent was much better.

  7. JRR says:

    Oh no, what is this voice ? Really too speed for me.

  8. JRR says:

    Ciro, come back !!! Forza !!!

  9. In my view Ciro understands what you want to explain because if it costs me quite new and do not understand much of what he says
    Back Ciro

  10. tasismoh tasismoh says:

    hi sir ciro.

    thanks again for the tutorial,.again you give us enourmos and wonderful knowledge about

    visualization bravo your such a great teacher.

    one thing about your dubber. is so masculine. and very fast talking.can you slow little bit,

    and talk like normal. what if you change it, a lady voice.


  11. Ciro Sannino - Auth says:

    HI GUYS!

  12. daniel madrigal says:

    thank u very much. your voice its much better, the other was to strong, some things are hard to understand.

  13. Paul Thomas says:

    Hi Ciro,
    Really nice explanation, still prefer your voice.
    Keep up the great work.

  14. WALTER D SILVA V says:

    Hi, frankly i prefer your voice, because you speak slower and i can understand everything you say. I am from Mexico, i’m not a native english speaker and i am more used to the american english accent, and the dubber has a very remarcable british accent that makes it harder to understand. I also prefer to hear a real person speaking. In my opinion, i stay with your voice.

  15. impresionante ciro a practicar de una buena vez la iluminacion
    gracias !!

  16. gil halamish says:

    thank you Ciro for that new video with your vioceover. now i understood it all.

  17. Drahoslav Mizerak says:

    Hi Ciro…your voice is more familiar, more friendly for me, i have feel that you are talking and explaining it directly to me 🙂 And it is more easier to understand your english and your kind of explanation than the new guy. It is my opinion.

  18. Alan Kroll says:

    thanks for the new work Ciro…like your voice better.


  19. tasismoh tasismoh says:

    hi ciro

    i think you should personaly talk while your driving the scene.there is a control while pointing your mouse to the monitor.

    yes your voice is more clear friendly, a pause while pointing to the screen.

    personally i prefer your personal voice than to look for a dubber, no need to hire.


  20. Dario Tonzuso says:

    Hy Ciro, thanks as usual for the useful lesson.
    But, if I wanted to use this scene as a template for another project with openings to the outside lower.
    How can I increase the brightness of the scene using vray light plane?
    It ‘s normal that the value of multplier exceed 100 or more?
    I’d better use some IES lights?
    Thx again and Bless ….

    • Ciro Sannino - Auth says:

      Hi Dario,
      PLEASE FORGET VRAYLIGHT for a moment: and think in terms of photography!!!! VRay Light is the object to simulate the BANK LIGHT(click here!), and in your mind you’re start thinking to handle a BANK LIGHT in a set, and using it as photographers use bank lighs in the real sets:) this is soooo important!!!
      If you add a Bank Light in a scene JUST to have more brigtness you’re adding shadows, modifying the light in the scene! That’s no the correct way: If you need to increase the GLOBAL BRIGHTESS just use the curves, in vrayFrameBuffer or in Photoshop: Nothing easier! Otherwise if you have dark angles you can use a Bank Light (vraylight/plane) or IES it depends on what do you want to achieve. See here a good example with IES 😉
      Hope this helps 🙂

  21. Kepa Atela Garate says:

    Hi Ciro, I prefer your voice is better understood and more clearly your English.

  22. Alejandro Alonso says:

    Your narrative is frankly better

  23. Benny Lay says:

    Ciro,I see most of perspektive viewport (with vray physical camera) have the guide lines…why we have to use it and how to show it in my perspektive viewport…? Tq

    • Ciro Sannino - Auth says:

      Hi Benny, what guide lines are you talking about, the “SAFE FRAME”? Can you send me a like or a simple screenshot? 🙂

  24. ruel flores says:

    it’s clear! that your voice was much better and understandable..i think no need a dubber.

  25. Mario Williams says:

    Hi Ciro, as allways this is a great lesson, I’d rather to say lesson instead of tutorial, but when you started to doing this, there was no voice at all and we all understand everything and we qualified it as a good learning lessons, when you start to put your voice, it was an improve that we all appreciated very much, in my modest opinion you are the only one that is able to comunicate your learnings in your own english.
    Me personally put more attention to yours clicks than your words, but at the same time your words are importants because you explain in real time what you click.
    Even if you make a mistake we all see when you corrected it and you explain it.
    Sorry for my long comment but my sugest is to keep on your own voice

  26. Labrini Karathanasi says:

    Great lesson Ciro.
    As for your question, I prefer the video with your voice in it. The first one is fine as well but your voice is much more lively.

  27. Effi Lang says:

    I also prefer your voice…. Please take our feedback into serious consideration when deciding on whether to use a voice actor or do it yourself.

  28. hamdan mat talip says:

    Anywhere your voice is much better and really understand for me.nice works.
    my question is under the light parameter should i increase the light default sampling value 8 / as i known by increasing the value it will effect render time is it? any pro n con


    • Ciro Sannino - Auth says:

      Hi Hamdan,
      of course we need to increase the sampling but NOT at this step2(light balance), but just at step4(cleaning image), after material creation. Anyway, before to increase the specific sampling, you need to reduce noise threshold from 0,01 to 0,005, as shown in every training. After this setting you’ll increase a specific subdivs in vraylights JUST if some vray light produce particular grainess. Hope this helps.

  29. moisin lee says:

    Mr. Ciro,
    i like your voice much better! easier to understand. don’t need a dubber voice,
    this is not an advertisment which need a macho voice over, your explaination is
    perfectly clear. Cheerio!!

  30. VICTOR RESINES says:

    Hi Ciro, I prefer your voice!! great material as usual!!

  31. Nuno Trindade says:

    i’m very excited to start with learn v-ray with you. I hope in 1 year i became a v-ray monster.


  32. Hina Chitalia says:

    hi Ciro,
    again its very useful tutorial. Thanks. & prefer your voice.
    I have some questions

    why we place v ray light 30/40cm.far from window (can’t we place near to window ? what is the different ).

    Is it necessary that In all interior scene, we have to place v ray lights in every opening or this is optional.

    where we use v ray plane light & where use sky portal.
    Is this better to use sky portal in every interior scene.

    can you send me the ink of tutorial of ‘rule of third’

    I know these are so long ,but pls reply all.

  33. Amal says:

    thinks for u i am very good in max because u help me by your lessones

  34. Drahoslav Mizerak says:

    Hi Ciro these days i have a lot of questions, so here is one of them 🙂 If we use Portal Lights + VRay Sun to shine the interior throug the windows, how we can reduce the stenght of VRay Sun without changing position of Sun? As we know, portal Lights don’t have possibility to change Multiplier. But in some positions VRay Sun is making overexposures in the interior, especially if Sun is very high on the sky. Thank you

    • Ciro Sannino - Auth says:

      Hi Drahus! The point is that Portal light doesn’t increase the brigtness, this increase a little bit just if you active “simple” option. Light Portal nees to create realistic shadows… without “portals” these shadows will be very smoothed and unperciptible. To get less light in your camera (as in the real world) you can use a different sun position (as you mentioned) or reduce your incomgin light setting “shutter speed”. In case you get some areas too dark that means you need to add “fill” lights to compensate light loss. This concept is really imporatnt to get realistic renders 🙂

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