Archived posting to the Leica Users Group, 2008/04/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> 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. > I'd think people into HDR which I'm pretty sure with CS3 can be done hand held would be firing off a burst in a bracket. I was out doing stitches tonight but I keep forgetting about trying some HDRs. Less of an issue I guess. During the day on the water more of one. Mark William Rabiner markrabiner.com