On 19 Nov 2007, at 6:17 PM, Steve Parrott wrote:

I'm not fully understanding what you mean? Putting BW filters on the digital camera itself? I don't think that would do anything for you. As far as I know, the photo is still taken in color, it is just desaturated in camera in the BW mode. Far better to use the color photo, then convert in PS channel mixer in which you are basically doing the same thing that you would have done with filters over the lens with a BW film camera.

Steve


On Nov 19, 2007, at 4:11 PM, Javier Perez wrote:

Was wondering
Has anyone tried using BW filters with desaturated
digital? IE: I was thinking about buyingf a few old BW
filters to find out. I have some old ones but they are
all 39mm. Any coments are greatly appreciated.
Thanks
Javier


Javier

http://63.164.201.182     OR     http://www.ultragone.net

Hmm. This leads me to ask if there's a filter for PS that will emulate an IR camera. Or, can one be cobbled up somehow? If the sensors reach into the IR region, it should be possible. Or is there a physical IR filter interposed ahead of the sensors to cut off the longer wavelengths? Our fearless leader seems to be an IR expert, so perhaps he will stoop to answer.

Roger *
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