Archived posting to the Leica Users Group, 2006/02/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Good info! My JPEG curve is the popular, updated version of the old "White Wedding" curve. In a digital context, how would one "test" ISO. Thanks. Scott Tim Atherton wrote: >Bear in mind that the on camera histogram may be a little misleading - it is >usually the histogram as applied to a to a JPEG which has had the camera's >default conversions applied to it (including a fairly steep S curve) > >So what you see there has already dumped a lot of the information that would >be in the RAW file - including highlight detail > >Add in - that rather like the old days you still need to tweak the iso of a >digital camera (remember shooting slide film at 80 or 125 instead of 100? >etc or rating 160 neg film at 125 or 100?) . A digital camera's 100 iso may >actually be closer to 80 or 125 - you need to run your own tests - just like >the old days :-) > >tim a > > > >_______________________________________________ >Leica Users Group. >See http://leica-users.org/mailman/listinfo/lug for more information > > > -- Pics @ http://www.adrenaline.com/snaps Leica M6TTL, Bessa R, Nikon FM3a, Nikon D70, Rollei AFM35 (Jihad Sigint NSA FBI Patriot Act)