Digital BW, The Print

I believe that shooting 3-color( three exposures) plates goes back to the earliest days of color photography. It seems to me, also, that this could be  quite useful with some exposures.

I often suggest to people that they experiment with filters, but I can't seem to follow my own advice  :  )

gar

*********** REPLY SEPARATOR  ***********

On 10/8/2008 at 7:37 PM pr_roark wrote:

>Roger <user1@...> wrote:
>>
>> ... I don't think there is an equivalent in the digital world. 
>
>I don't think the digital sensors have the "threshold" to overcome that 
>was, apparently, what was behind the pre-flashing effectiveness in film.
>
>Some of us experimented briefly with filters to, in effect, "partition" 
>the RGB sensor.  See near the bottom of the page at 
>http://www.paulroark.com/BW-Info/ 
>
>I didn't do much follow-up on this, but the use of filters with digital 
>cameras is still an area that intrigues me.  In addition to the 
>possibility of extending the dynamic range, I wonder about possible 
>effects on sharpness, perhaps by dealing with the color fringing.
>
>Paul
>www.PaulRoark.com 
>
>
>
>> > 
>> >  >
>> >  > (Is there a digital equivalent to the 1 - 2% 
>> >  > pre-flashing of slide film we used to 
>> >  > occasionally do to increase the deep shadow sensitity?)
>
>
>
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