ProMaster offers a complete line of wired remote shutter release cables to cover almost every popular DSLR and film SLR. The innovative modular design allows the maximum flexibility in working distances. Many cameras offer built-in infrared remote capability but limit the use of your remote to standing in front of the camera. A wired remote cable allows more freedom to work from any position. The ProMaster Wired Remote Shutter Release Cable is fully compatible with all shutter release functions including pre-focus and timed exposure. Fully compatible with all shutter release functions including pre-focus and timed exposure. Modular construction allows maximum flexibility in working distance Includes camera connector cable and extension for up to 6' working distance Bulb Lock Function