DSLR Camera Follow Focus Ring Black Professional Focus Gear Ring For 49mm 52mm

Lens Size: 49mm / 1.93in, 52mm / 2.05in, 55mm / 2.17in, 58mm / 2.28in, 62mm / 2.44in, 67mm / 2.64in, 72mm / 2.83in, 77mm / 3.03in, 82mm / 3.23in. CONVENIENT AND PRACTICAL: This follow focus ring belt is simple to operate and easy to install, providing users with a convenient and fast experience.

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