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Hi there I'm sure this is a real simple fix and apologies for my complete nobleness.   I'm trying to use exiftool to reduce exposure on all the photos in a time-lapse sequence shot with ETTR.  I've worked out how to get the de flicker working in light room but I want to also batch reduce exposure.

Quote
On mac put all your images and xmps in one folder.
open up terminal, enter this, exiftool -Exposure2012+=+*.** /drag folder here containing cr2's and .xmp's

Where the *.** is enter the amount you want to set, eg 0.05, next to the number you have chosen, too the left is +, +=over expose for under add -

I tried this but I just get an error saying "no file specified"

Any ideas?
Any ideas?  Many thanks

Hi so i've been using ETTR for time-lapse on a recent shoot for National Geographic.  I've kind of got my head around the XMP post de-flickering workflow but for my first time lapse of the shoot I accidentally created UFRAW side car files. I need to de-flicker this time-lapse as it looks amazing!  I have downloaded UFRAW version 0.20 from here: http://sourceforge.net/projects/ufraw/files/latest/download?source=files

I have unzipped (is that the right term?) the package and I now have a folder called ufraw-0.20 which contains lots of different files.  There is a 'read me' which to me is serious gobbledegook.  I really can't understand it, I'll reproduce the text below but could anyone walk me through instillation on a mac (OSX 10.9.5).  And then if you are super kind explain how to

(1)  De flicker the time-lapse
(2)  Batch reduce the exposure
(3)  Export to Jpeg

Many thanks and any replies in layman's terms would be much appreciated!