Subject: | Re: [OM] Dude - Who stole my 0.56ms? |
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From: | Ken Norton <ken@xxxxxxxxxxx> |
Date: | Tue, 6 Apr 2010 09:48:33 -0500 |
> > On an OM-1 your findings are easily confirmed. In auto-aperture mode the > reading shown by the meter does not change by a full stop when opening up > to f/1.4. What does this mean? It's not the amount of light hitting the > meter that is changing - remember, we're always metering wide open. So > Olympus has designed the lens so that the travel of the aperture lever in > the lens mount is less than one stop when going from wide open to f/2, to > keep the metering accurate. > Does this mean that the fixed aperture lever in the OM-4/3 adaptor also restricts that last stop too? AG -- _________________________________________________________________ Options: http://lists.thomasclausen.net/mailman/listinfo/olympus Archives: http://lists.thomasclausen.net/mailman/private/olympus/ Themed Olympus Photo Exhibition: http://www.tope.nl/ |
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