Minolta RC1000S Remote Cord For A1, A2 & 7D Digital Cameras. Enables remote control of the shutter-release from a hidden location or apart from the camera to prevent blurring. Also provides remote autofocus control, long exposures in "B"; prevents camera shake. 20" (50cm) long.
Olympus RM-CB1 Cable The remote release cable RM-CB01 allows the user to take pictures over long exposures, without shaking the camera. Additionally, it offers the possibility of locking the release button for bulb exposures.
Pentax CS-205 Cable Switch With a cable length of 50 centimeters (19.7 inches), this electromagnetic cable switch enables you to minimize camera shake when shooting at slow shutter speeds or in the bulb mode.