--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Gary Brown" <baffin@c...> wrote: > Richard: > > You might want try a 29 red filter. I use that filter on a 20D modified for > IR. Gary, Could you please explain? What filter is used in the IR modification of your D20? Colin
Message
Re: [Digital BW] Digital contrast filtration
2005-07-20 by colingruk