"Black Glass" vignetting issue with the RX1

Started Jan 28, 2013 | Discussions thread
teseg
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Re: "Black Glass" vignetting issue with the RX1
In reply to teseg, Feb 1, 2013

Since I posed my question a while back I've done some more research as well as testing.  At the 35mm FL underexposing with a 10 stop ND causes vignetting (its a mathematical thing, I wouldn't understand).  I was underexposed and did not know it (the in-camera exposure compensation data is of little value when using this filter... and did not review the histogram after the shot).  I was maxed out at 30 seconds shutter speed and had no cable release... but I did not pick up on the vignetting until PP anyway.

Now I know I am not stuck with vignetting with this ND filter for all my shots (if anyone cares).

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Sony RX1
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