I would reword your sentence: "The camera just gives you whatever data
the sensor happens to pick up during the exposure which is mainly color
information". I would change "mainly" to "only" since the camera can't
sense anything that is not a red, green or blue pixel.
If you allow the camera to convert to a grayscale JPEG (without also
saving a raw image) you give up two things... the ability to save the
image as a color image for possible future use as a color image as well
as the ability to apply color filtration as you might have used when
shooting film... unless you also use color filters as you did with film.
Even then you give up the option of possibly reprocessing the raw file
in a different way.
So, why is there a black & white mode? The same reason there's a JPEG
option... for those who don't want to or don't know how to closely
control the final image.
Chuck Norcutt
Ali Shah wrote:
> Interesting article in the current edition of Outdoor
> Photographer Magazine regarding the "Perfect Black and
> White". A comparison of sorts between the different
> methods and what it takes to get a good looking BW
> print. The article mentions getting the most out of BW
> during post processing. It also talks about doing BW
> in-camera or doing an in-camera conversion to BW.
>
> The writer says: "While most cameras offer
> black-and-white in-camera conversion for amazing
> prints, it’s generally accepted that it’s best to
> shoot in color. In-camera black-and-white or sepia
> modes are great for previewing images, but you’re
> essentially throwing away information when capturing
> that way. Also, digital technology has made
> black-and-white conversion as easy or as difficult as
> you want it to be, so there’s little reason to take
> images only for grayscale use."
>
> I take this to mean that although you set the camera
> to BW - if you are shooting RAW the camera doesnt care
> what BW settings you are using. The camera just gives
> you whatever data the sensor happens to pick up during
> the exposure which is mainly color information?!!? If
> that is the case - why do manufacturers include a "BW
> MODE"?!
>
>
>
>
>
>
>
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