Archived posting to the Leica Users Group, 2011/09/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Great reference, Bob. Every one here who uses a digital camera should read and reread that article until everything said in it is crystal clear. Herb >Then key is it works best for scenes where the contrast doesn't >exceed the capture range of your sensor AND even if it does, you can >use it with caution (i.e., you should probably bracket). >Good article as is the Reichmann article on luminous landscape: >http://www.luminous-landscape.com/tutorials/optimizing_exposure.shtml > > >Bob Adler >http://www.rgaphoto.com > >On Sep 8, 2011, at 7:39 AM, Tina Manley <images at comporium.net> wrote: > > > I've been reading about histograms and found this very interesting: > > http://schewephoto.com/ETTR/index.html > > > > ETTR - Expose to the Right for best signal to noise ratio. I've tried > it > > with several experiments and it's amazing how much slight overexposure > can > > help with noise in the shadows. There are other sites trying to > disprove > > ETTR but I've found it works for me. Looks like that's what you've done > > with this one, too. > > > > Tina > > > > On Wed, Sep 7, 2011 at 7:40 PM, Jim Nichols ><jhnichols at lighttube.net> wrote: > > > >> My posting of the late Rose of Sharon image led to discussions on the > Oly > >> list about proper exposure. I have seldom used the histogram to adjust > >> exposure when making pictures. I have used it as an indication of > proper > >> levels in the post-processing of the image. > >> > >> I went out to try to find the best exposure adjustment for a >similar image. > >> I ended up using EV +1/3 on the E-1 for this image. > >> > >> http://gallery.leica-users.org/v/OldNick/Improved+Histogram.jpg.html > >> > >> I now look forward to a sunny day (next week maybe?) to see if I can > find > >> what works under those lighting conditions. > >> > >> Comments and critiques welcomed. > >> > >> Jim Nichols > >> Tullahoma, TN USA > >> > >> _______________________________________________ > >> Leica Users Group. > >> See http://leica-users.org/mailman/listinfo/lug for more information > >> > >> > > > > > > -- > > Tina Manley, ASMP > > www.tinamanley.com > > > > _______________________________________________ > > Leica Users Group. > > See http://leica-users.org/mailman/listinfo/lug for more information > >_______________________________________________ >Leica Users Group. >See http://leica-users.org/mailman/listinfo/lug for more information -- Herbert Kanner kanner at acm.org 650-326-8204 Do not meddle in the affairs of cats, for they are subtle and will pee on your computer!