Two-stage shutter button (half-press for focusing, full press for shutter release) with shutter button lock function for bulb (B) function. 2.5mm plug for connecting with camera. 50cm cord.

Suitable for:

• K-3
• K-5
• K-5 II
• K-5 IIs
• K-7
• K-30
• K-50
• K-m
• K-500
• 645D
• K-01
• *ist
• *istD
• *istDL
• *istDL2
• *istDS
• *istDS2
• MZ-6
• ZX-L
• K10D
• K20D
• K100D
• K110D
• K100D Super

Also compatible with Canon RS-60E3, Samsung SR9NX01 and Contax LA remotes cable releases.