Archived posting to the Leica Users Group, 2008/05/30
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I believe I've mentioned this before but I'll say it again you're using HDR to achieve wonderful, natural rendering of "reality" I honor your admirable craftsmanship Fond regards, George george@imagist.com www.imagist.com http://www.imagist.com/blog Picture A Week - www.imagist.com/paw_07 On Apr 24, 2008, at 6:45 PM, Ken Carney wrote: > I can usually get an HDR image with a three-shot auto bracket > burst, even > hand-held if I don't have or want the tripod -- assuming nothing is > moving > in the scene, of course. Sometimes I can improve an image by > opening the > single raw file at, say, -1, 0 and +1 EV and blending. Photomatix > Pro is > good for this, if used with a light touch. > > Here is one made from a single raw file in Photomatix: > > http://gallery.leica-users.org/v/kcarney/mcloud.jpg.html > > And one made from three files, hand-held: > > http://gallery.leica-users.org/v/kcarney/mosque.jpg.html > > Kyle's idea sounds easier. > > Ken > >> -----Original Message----- >> From: lug-bounces+kcarney1=cox.net@leica-users.org [mailto:lug- >> bounces+kcarney1=cox.net@leica-users.org] On Behalf Of Henning Wulff >> Sent: Thursday, April 24, 2008 3:00 PM >> To: Leica Users Group >> Subject: RE: [Leica] Auto HDR -- is nobody paying attention? >> >> At 12:32 PM -0400 4/24/08, wildlightphoto@earthlink.net wrote: >>> Kyle Cassidy <kcassidy@asc.upenn.edu> wrote: >>> >>>> Light comes through the lens, hits the sensor. As soon as >>>> values reach >>>> 254 the camera should save a file at that exposure which can >>>> then be >>>> merged (if necessary) with the master file so that burned >>>> highlights >> can >>>> be salvaged. >>> >>> Or with 16-bit pixels, 65534 instead of 254. >> >> >> >> The limiting factor is dynamic range, not number of bits. The Fuji S5 >> addresses that to a limited degree, but not to HDR standards. >> >> With present sensors and photon acquisition methods it's hard to get >> real time greater dynamic range. One possibility might be to actually >> do two exposures during the nominal exposure time. Exposure time >> would then take on a new meaning, and this clearly wouldn't work when >> you need an extremely short exposure, but it should be doable when >> you only need 1/125sec. >> >> >> -- >> * Henning J. Wulff >> /|\ Wulff Photography & Design >> /###\ mailto:henningw@archiphoto.com >> |[ ]| http://www.archiphoto.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