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Sigma CR-21 Cable Release Switch for SD14



The CR-21 Cable Release is an alternative to the RS-31 Remote Controller offering a wired connection
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Sigma CR-21 Cable Release Switch for SD14
The CR-21 Cable Release is an alternative to the RS-31 Remote Controller offering a wired connection to the camera. This reduces the risk of camera shake, which can result in blurred images. Especially useful when using Mirror up and super-telephoto lenses.

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