16mm B/W negative Plu-X and Double-X

> Has anyone experience with these two stocks? I wonder how they look,
> they are priced lower than reveral black/white, makes me wonder.
> Being that they are negative, I would expect the exposure latitude to
> be greater and the graininess to be lower. Is this the case??

Graininess is higher because the contrast is lower -- the high contrast of
reversal stock tends to create the impression of less grain and greater
sharpness. There's nothing quite as sharp and fine-grained as Plus-X B&W
Reversal (of course, it's also slower than Plus-X B&W Negative, which
helps.)

David Mullen