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f-Values smaller than 1 not accepted

Started by czettler, June 24, 2012, 03:07:27 PM

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czettler

Hi

I've tried to add the lens information from my "Voigtländer Nokton 25mm f/0.95" into Olympus-RAW-Files with following command:

exiftool -P -overwrite_original -FocalLength=25 -MaxApertureValue=0.95 -Lens="Voigtlander 25mm f/0.95" /ORF

Focal lenght and Lens name worked well, but MaxApertureValue reported "Must be a positive number for ExifIFD" and no value was set.

Is it possible to write the 0.95 value in, or is it limited by EXIF-Definition ?

Thank You and with Best Regards

Chris

Phil Harvey

...where DIR is the name of a directory/folder containing the images.  On Mac/Linux/PowerShell, use single quotes (') instead of double quotes (") around arguments containing a dollar sign ($).