Digital BW, The Print

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Gary Brown"
<baffin@c...> wrote:
> Hutech www.sciencecenter.net/hutech
> modifies the Sigma.

Gary, what would they do to the Sigma?

It already has a filter mount between the bayonett and mirror, like
what Hutech installs in Canon cameras. All you need is a new filter,
and you're good to go.