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06-20-2013, 04:08 PM   #1
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Join Date: Dec 2011
Location: Ohio
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ND setting question

I need help...could not find in manual
How many stops loss of light results from setting the ND on
I have the Q with the 5-15 zoom
thanks in advance for any help

06-20-2013, 04:46 PM   #2
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Join Date: May 2009
Location: Michigan, USA
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The manual doesn't say but if you go to manual and set the exposure correctly then enable the ND filter it shows an under exposure of almost 2 stops or 1.6 stops

06-20-2013, 05:29 PM   #3

Join Date: Oct 2006
Location: Chicago suburb, IL, USA
Posts: 1,535
Hi mdodrill,

The idea behind the ND filter was to make up for the 1/2000 max shutter speed limitation when using the leaf shutters in the Q system Quality (AF) line lenses. This is relatively slow when you consider that the base ISO is 125. To match the 1/8000 max shutter speed of the electronic shutter, they added a 2 stop ND so the leaf shutters could be used under the same light intensity as when you use the electronic shutter. 1/2000 + 2 stop ND gives you equivalent exposure to 1/8000 at the same aperture and ISO.


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