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Thread started 08 Jan 2010 (Friday) 13:39
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5D2 metering: anyone else need +2/3 or +1 all the time?

 
anthony11
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Jan 08, 2010 13:39 |  #1

I've been trying for some time to figure out if I'm doing something stupid, but I can't find anything wrong that I'm doing or have set.

When shooting with available light, my 5D2 consistently needs +2/3 to +1 EC for the shot to come out looking roughly right. In fact when I shoot at +2/3, I often need to boost exposure in PP, so it's probably fair to say that it needs +1 EC all the time.

Does this ring a bell with anyone? Should I send the thing in to Canon yet again?


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jetcode
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Jan 08, 2010 14:15 |  #2

Which lens, which meter mode, what kind of ambient light, where is the camera in relation to the light source, what kind of subject, do you have any example images?




  
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themadman
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Jan 08, 2010 14:22 |  #3

Depends what you are metering and what mode.


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anthony11
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Jan 08, 2010 14:23 |  #4

1) 24-105 and 50 f/1.4
2) Evaluative or Spot
3) Any
4) Anywhere
5) Humans
6) Thousands, but I don't know that they're useful without the context of seeing what the setting was like in person


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jetcode
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Jan 08, 2010 14:38 |  #5

How do you use spot metering?




  
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anthony11
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Jan 08, 2010 14:47 |  #6

Is that a trick question? I turn it on.


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jetcode
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Jan 08, 2010 15:14 |  #7

anthony11 wrote in post #9353270 (external link)
Is that a trick question? I turn it on.

That is not a trick question spot metering sets exposure for that spot to zone 5 gray scale (zone system) which completely affects the exposure for the rest of the image.

I recommend trying different meter modes in a specific scene until you find what works for you. Lenses make a huge difference as well. I can't tell you which mode I use by name but in aperture priority I use (O) mode which may be evaluative I am not sure. I use Zeiss and Leica lenses and rarely if ever have an issue with exposure with 0.0 exposure compensation.




  
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IVIax
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Jan 08, 2010 15:17 |  #8

jetcode wrote in post #9353461 (external link)
That is not a trick question spot metering sets exposure for that spot to zone 5 gray scale (zone system) which completely affects the exposure for the rest of the image.

I recommend trying different meter modes in a specific scene until you find what works for you. Lenses make a huge difference as well. I can't tell you which mode I use by name but in aperture priority I use (O) mode which may be evaluative I am not sure. I use Zeiss and Leica lenses and rarely if ever have an issue with exposure with 0.0 exposure compensation.

I think you're referring to partial metering.

[()] is partial
[(*)] is evaluate
[] is center weighted average

  • is spot

  • -Max
    "Bad artists copy. Good artists steal." Picasso

      
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    jetcode
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    Jan 08, 2010 15:48 |  #9

    I only use evaluate meter mode and if necessary have a dedicated spot meter but rarely use unless I shoot my 4x10 which I haven't done since the 5DII was released (who needs it!).




      
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    bohdank
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    Jan 08, 2010 15:53 |  #10

    I find that, in anything but very good light, my 5DII seems to underexpose at least 1/3 stop. I often find myself at +2/3 or +1.

    My default is +1/3 in good light.


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    Lowner
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    Jan 08, 2010 15:59 |  #11

    anthony11,

    My 30D often needs compensation dialled in and a friend constantly complains that his "underexposes", but I don't believe its because theres anything wrong with ours, or yours. Its likely to be because the meter is "averaging" what it sees into a grey mush, but you are interested in a particular rendering of this mush which is different to the camera. And believe me the camera meter does not have a large brain.


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    Tom ­ W
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    Jan 08, 2010 17:36 |  #12

    bohdank wrote in post #9353668 (external link)
    My default is +1/3 in good light.

    I'm +1/3 on the 7D, generally 0 on the 5D2.


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    JeffreyG
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    Jan 08, 2010 17:59 |  #13

    anthony11 wrote in post #9353270 (external link)
    Is that a trick question? I turn it on.

    He's asking you what specific tones you are spot metering and what resultant meter reading you are expecting. I dunno....spot meter in anything other than M mode doesn't make a whole lot of sense to me either. That's probably what prompted the question.

    In any case, on the rare occasions that I use my 5D meter to set an exposure in an auto-metered zone, I typically find +1/3 to +2/3 EC is needed to get a correct exposure in a scene that seems like it would not normally need EC.


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    jetcode
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    Jan 08, 2010 18:12 |  #14

    Regards to Spot Metering:

    It really doesn't matter which camera mode you are in because that relates to shutter speed and aperture. If you spot white you will get underexposure and if you spot black you will get over exposure. In either case the meter will set the exposure to make each match a gray card. Spot metering is best when you decide that a specific tone in the image is at the same reference as a gray card.

    http://en.wikipedia.or​g/wiki/Gray_card (external link)




      
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    anthony11
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    Jan 08, 2010 18:42 |  #15

    JeffreyG wrote in post #9354648 (external link)
    He's asking you what specific tones you are spot metering and what resultant meter reading you are expecting. I dunno....spot meter in anything other than M mode doesn't make a whole lot of sense to me either.

    My understanding is that spot metering can be useful when eg. the subject is backlit by a window or such, to avoid the bright bg underexposing the subject.
    I shot a couple of spot/evaluative 0/+1EC sequences today - will get one posted tonight if I can.


    5D2, 24-105L, 85mm f/1.8, MP960, HG21, crumbling G6+R72, Brownian toddler

      
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