The Linhof Cable Release with T Lock is a reliable, durable, and long cable release that is used for triggering the copal press shutter.It helps to prevent the camera shake, thereby it finds its application in super telephoto shots, macro photography, and bulb exposuresThis cable release features rotating nipple and strong exterior coating that offers protection from moisture and dustIt also has broad plunger design and a classic T-lock, which offers high securityThis 17" handy cable release helps photographers to take pictures of the subject that are difficult to approach