DIY Cable Switch/Release for Pentax K-m, K-x and K-r

http://forums.dpreview.com/forums/readflat.asp?forum=1036&thread=38349139Clever design and nice DIY!Anyway, unless you need the cable switch for specific applications, e.g., shooting of fireworks or etc., the IR remote switch should be adequate for normal uses.Related:-The Pentax (Electronic) Cable Switches