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Subject: "RE: Metering with Lens Filter Oddity" Previous topic | Next topic
MotoMannequin Moderator Awarded for his extraordinary skills in landscape and wildlife photography Nikonian since 11th Jan 2006Tue 16-Oct-12 06:51 AM
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#17. "RE: Metering with Lens Filter Oddity"
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Livermore, CA, US
          

Corvette shot:
12-24 @ 14mm f/22 1/60" ISO 400 (shutter priority/matrix meter)

T-bird shot:
16-85 @ 26mm f/11 1/500" ISO 400 (program mode/matrix meter)

Overall exposure is 1 stop lower for the t-bird shot (f/22->f/11 = +2 stops, 1/60->1/500 = -3 stops, so total 1 stop less). You'd expect with the C-PL that you'd need something like an extra 1.5-2.0 stops to overcome the loss of light, so your exposure in total is going to be off something like 2.5-3.0 full stops on the t-bird shot.

There's plenty to recommend about your settings. In general I'd recommend shooting at base ISO in bright sunlight, and opening up the aperture considerably (f/8 is plenty for this kind of shot, or even larger if you want greater subject isolation), and in general to keep an eye on the histogram to be sure exposure is ok especially with a white subject which is notoriously difficult to expose correctly.

As far as the matrix meter's performance, it looks it failed here, but I'm afraid your AF settings (AF-A/dynamic 3D) throw a wrench into the works. We do know that (right or wrong) the matrix meter will vary exposure based on what's under the active AF bracket. You might get better consistency if you take control over the AF system (it's questionable why you'd use these settings for a stationary object). I don't believe this should be able to explain away a 3-stop fail but when you're dealing with areas of bright white close to dark tones, any metering mode can be thrown off.

Larry - a Bay Area Nikonian
My Nikonians gallery

www.tempered-light.com

  

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A general, generic topicMetering with Lens Filter Oddity [View all] , Bravozulu Silver Member, Thu 04-Oct-12 02:21 AM
 
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ShrimpBoy Silver Member
04th Oct 2012
1
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dbuckenmyer Silver Member
13th Oct 2012
2
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km6xz Moderator
13th Oct 2012
3
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Bravozulu Silver Member
13th Oct 2012
4
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MotoMannequin Moderator
13th Oct 2012
6
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PeterBeckett Gold Member
13th Oct 2012
5
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Bravozulu Silver Member
13th Oct 2012
7
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PeterBeckett Gold Member
13th Oct 2012
8
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Bravozulu Silver Member
15th Oct 2012
9
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blw Moderator
15th Oct 2012
10
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dbuckenmyer Silver Member
15th Oct 2012
11
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Bravozulu Silver Member
15th Oct 2012
12
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km6xz Moderator
15th Oct 2012
13
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Bravozulu Silver Member
15th Oct 2012
14
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MotoMannequin Moderator
15th Oct 2012
15
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Bravozulu Silver Member
16th Oct 2012
16
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MotoMannequin Moderator
16th Oct 2012
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Bravozulu Silver Member
16th Oct 2012
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blw Moderator
17th Oct 2012
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