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Can I Use an 18% Gray Card Instead of White for White Balance?


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20 comments

  1. Thank you, Dave for the info. These are the little things that newbs like me get confused about.

  2. Info on subject title starts at 1:40

  3. so the question still is….why can you use both? my brain does not get it.  You would think that Grey would be different than white in setting the white balance?  

  4. what is the advantage of using the grey card? Is it so you don't over expose?

  5. Yes if you require that much consistency.

  6. The camera must be set on 'custom white balance' when you take the picture of the grey card

  7. wow, how incredibly rude.

  8. thanx !

  9. Auto exposure is fine and the metering type don't matter if the card covers the whole frame. The grey card is a metering device to set your TTL/reflective exposure in the centre of the cameras exposure latitude. It also happens to be a colour correcting device as it has no colour bias (a good one that is). White is fine, if you shoot it on auto it will come out as middle grey also, but if you use it as your exposure you will underexpose your image by a 2 or 3 stops.

  10. By the way, don't get a cheap grey card of oriental origin. Ok to do reflective exposure on but not colour balance. I got one and it had a faint blue hue which made the images a bit muddy. Personally I like a piece of clean polystyrene, of which there is always plenty lying around 🙂

  11. Why does it work both ways? White & 18%grey are neutral in colour @ standard daylight of 5500k. If you meter off a white card it exposes as middle grey. So the question is not which one you should use but how you should expose it. If you set the camera on auto exposure they will both expose as middle grey and give a neutral colour to balance on. The caution using a white card on a manual exposure is that you don't overexpose the card or there is no tone to balance on. Keep up the good work.

  12. Dave do you think that is more usefull this grey one or the black-gray-white one?

  13. how do you meter the card manual or auto. and since it is all grey can i use matrix metering.

  14. Ian maybe you should fuck off and look for 'free' advice elsewhere, instead of coming across as some pathetic little troll.

  15. There is a 'white balance Grey card' (80% grey for white balance) as well as a '18% Grey card' (for exposure).

  16. I actually just subscribed based on your approach to your stats. You seem like a nice person. Many people turn into something other than that when they get involved in marketing. So I don't mind a bit of stats.

  17. you made 134 videos–how did you have the time? I really get a lot from your videos–more than anyone else's videos. How many total visitor did you get?
    Robert Taylor

  18. I like Dave. Keep it coming man. 😀

  19. You sir, are a Genius!

  20. Hey Dave! Congrats on reaching that great milestone! Hope to see many of your videos in the next coming years. One thing I wanted to point from what I’ve been told about the gray card that perhaps may or may not be true is that the gray card is meant to be used when the shot or environment is covered in a lot of white background. i.e. in the snow. Not sure on how true that is but apparently the gray helps the sensor distinguish and apply the correct Kelvin setting for the shot. Cheers!

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