Digital BW, The Print

Anthony G. Atkielski thinks:

 
> Tom Baker writes:
> 
>> Would you provide an example of a b&w image that could only be
>> captured with b&w?  Most of us would like to see such an example.
> 
> I guess you missed my explanation about the narrowband yellow filter.
>

I didn't _miss_ anything. I don't believe you know what you are talking
about.
 
> Shoot a scene in straight B&W with a narrowband yellow filter.  The
> result will be impossible to duplicate with any conversion of RGB to
> B&W, for most scenes.

Please post to your web site:

http://www.atkielski.com/inlink.php?/main/Donations.html

examples to prove your statement above.


> More obvious examples can be given.  You can't get infrared B&W from any
> conversion of RGB, nor can you get UV from RGB conversion.  The reason
> for this is the same as indicated above.

http://www.fredmiranda.com/shopping/DI
http://www.nickgallery.com/web_pages/technical%207.htm
http://www.rangefindermag.com/magazine/archives/Feb03/infrared.tml
http://www.cliffshade.com/dpfwiw/ir.htm
http://www.pibweb.com/ross/IR2.htm
http://www.echeng.com/photo/infrared/

No, YOU can't get IR from RGB... people who actually have experience do it
all the time.

Jon