Archived posting to the Leica Users Group, 2006/03/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi David, It sure comes close to real infrared, but the grain makes it a bit strange. Would keeping the ISO down and shooting from a tripod help? I like the 3d and 4th the most. Thanks for showing, Philippe Op 27-mrt-06, om 07:51 heeft David Keenan het volgende geschreven: > I thought I'd share the early results of an experiment capturing > infrared black and white digitally. > > I'm using an unmodified Epson R-D1 digital rangefinder camera with > a Hoya R72 filter (the equivalent of an 89B Wratten filter) over a > few different lenses. > > The ISO setting of the camera was set to 1600 (the highest > available) and images (exposed at f/5.6 or f/8) were underexposed. > The R-D1 allows IE adjustments and I found that +1 usually produced > usable images. +2 occasionally produced a better image. > > I have published five images here: http://www.leica-gallery.net/dlk/ > folder-8585.html > > All were handheld at 1/125 or 1/250 sec. > > All images were initially processed in Epson RAW and converted to > TIFFs. Levels, brightness/contrast, and sharpness adjustments done > in Photoshop. Most significantly the Noise Ninja plug-in was used > to significantly reduce the noise that resulted from the high ISO > settings. > > I have photographed many rolls of Kodak High Speed Infrared (HIE) > and find the results pleasantly similar. The middle image of the > five looks almost the same as the HIE image that I made last year. > > Next I will use some faster lenses (the five images presented were > taken with either the Voigtlander 12mm f/5.6 or Leica Tri-Elmar f/ > 4) so I can drop the ISO to hopefully 400 to see how the images > look with much less noise. > > Any questions and/or comments are welcomed. > > Dave. > -- > David Keenan, ausdlk@swbell.net on 3/26/2006 > > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >