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Adjusting VC II Light Meter
Old 08-04-2011   #1
Photon42
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Question Adjusting VC II Light Meter

My VC II seems a bit optimistic - it is about one LV off. Does anybody know if this can be adjusted easily? There are a couple of philips screws at the bottom plate.

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Old 08-04-2011   #2
charjohncarter
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Well, I've never adjusted mine. I have checked it with a Sekonic master VI, Sekonic L308s, and another meter plus some old SLRs and my BessaR (same company); and they all are very close, in fact I trust it more than my other camera meters (which is nice as I have many non-metered cameras). Get a few other meters to check it, I use a plain wall, even light, most in camera meters are often calibrated for for slide film and then see if it is off.
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Old 08-04-2011   #3
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Meters can't be simply adjusted because they have to be adjusted for linearity as well. Meaning, they must be accurate at all light levels. A meter can be accurate in bright light and overexpose in dim light, for example. If its under warranty, have it repaired professionally under warranty. If its not, pay someone to do it.
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Old 08-04-2011   #4
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Never had a problem with mine but I suspect there is a method if you're prepared to take it apart. Or it might need no more than an adjustment to the fixing of the wheels on top.

Before you do anything like that though, try using it for a while with the ISO setting adjusted for what you think is the appropriate amount (you say 1 LV but not the direction) and see if the variance is consistent under all conditions. And in the meantime you can try to find out if there is a known method to adjust them.

Another thought - using a meter like this and pointing it straight at the scene often involves taking in a lot of sky - the angle of incidence of the meter is considerably greater than the angle of incidence of the lens you're most likely using. I always tend to tilt the meter down a bit towards the ground to avoid underexposing the foreground in scenic type shots.
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Last edited by Leigh Youdale : 08-04-2011 at 22:23.
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Old 08-04-2011   #5
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Thanks all for your thoughts. I have already used it and the frames came out consistently too dark. So when I said the meter is "too optimistic", I meant it believes the scene is brighter than it actually is. That was actually the reason I compared it with other meters, but really trying to compare apples with apples and pointing at something evenly lit. I might have it serviced as Chris suggested.
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Old 08-04-2011   #6
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Just a thought: have you tried to replace the batteries?
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Old 08-06-2011   #7
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Yes, I tried that, even though I asked myself how a light meter becomes more sensitive with potentially less voltage.

Actually I thought it may be simply a small screw which I have to turn a bit Item is still under warranty, so I will send it in now. Otherwise I'd test it for linearity (thanks for the hint, Chris) and then use it at half ASA. I have also two Nikons with different focussing screens, requiring some adjustment.

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