Noob question - What is a 'Focus Stack'?

[gregrocco]

I've seen people mention this from time to time, but have no idea what it is.

[LordV]

I've seen people mention this from time to time, but have no idea what it is.

It's a way of increasing the DOF in a shot by combining pictures taken at different focus depths.
See http://www.flickr.com/groups/macroviewers/discuss/163367/
for a tutorial and software links.
Brian V.

[racketman]

http://www.hadleyweb.pwp.blueyonder.co.uk/CZ5/combinez5.htm