I've never used the WL finder for my LX, but i have my father's AsahiFlex which of course had WL Not fun for normal shooting, the only use I could imagine for one would be for really low-level work, and for that I'd much prefer the RF converter, or the combo ChrisPlatt suggests, or the FD-1. Have a look at this for a survey of the goodies: http://www.pentaxforums.com/accessor...ewfinders.html