Archived posting to the Leica Users Group, 2007/02/04
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Robert: To my eye, the IR images are more eye-catching. This may be because one is not accustomed to seeing such contrast in most posted images, but they are very impressive. Jim Nichols Tullahoma, TN USA ----- Original Message ----- From: "Robert Rose" <robert.rose@mac.com> To: <lug@leica-users.org> Sent: Sunday, February 04, 2007 10:53 PM Subject: [Leica] IMG: More IR on M8 > Some more IR images, from the Getty Museum in Los Angeles. > > http://gallery.leica-users.org/v/rjrose/IR/L1000407.jpg.html > http://gallery.leica-users.org/v/rjrose/IR/L1000412.jpg.html > http://gallery.leica-users.org/v/rjrose/IR/L1000421.jpg.html > > There are two non-IR images in the same album, to compare. Which do you > think works better? > > The amount of exposure necessary really varies throughout the day. The A > setting does a good job on exposure. At times really high ISO is needed, > but the noise ("grain") reminds me of the grain from Kodak High Speed > Infrared. > > A red filter doesn't seem to work well. > > Some of the images (not these) are fuzzy. I am pretty sure that it is > not focus shift; perhaps it is a cousin to blooming that occurs in IR > film. Sharpening helps, as does slight underexposure. > > I am using Adobe Camera Raw to open the DNG file. I turn on the clipping > warnings, and then adjust the Temperature and tint to minimize clipping. > Then I use Nik Color Efex Pro; BW Conversion Tonal Enhancer to convert to > BW, and then do a final adjustment using Levels. Bringing the middle > slider up seems to make the image more dramatic. > > Lots of fun research ahead. > > Cheers, > Bob Rose > > > Robert Rose > robert.rose@mac.com > Experience should teach us to be most on our guard to protect liberty > when the government's purposes are beneficent. Men born to freedom are > naturally alert to repel invasion of their liberty by evil-minded rulers. > The greatest dangers to liberty lurk in insidious encroachment by men of > zeal, well-meaning but without understanding. Louis Brandeis, Olmstead > v. US (1928) > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >