The CS-205 is the recommended electronic cable release.
The other option is one of the little IR remote controls. The basic rule is that any Pentax camera that uses an IR remote can use any of the Pentax IR remotes. There was a model C, D, E and F. There was one dedicated for the IQ Zoom 90WR, that works too.
-- graywolf http://graywolfphoto.com
"You might as well accept people as they are, you are not going to be able to change them anyway."

