Digital BW, The Print

Paul D. DeRocco writes:

> On the other hand, B&W film and a bag full of filters
> can't produce nearly the range of possibilities you
> can get from an RGB sensor and Photoshop.

You can get anything you want in B&W with the right film and filters.
The same cannot be said of RGB conversions in Photoshop.

The one thing you _can_ get from RGB is correct perceptual luminance
(just convert to grayscale).  But if you want anything else, it's very
limiting.