Focus ring Zoom ring For DSLR camera Following focus ring handle Focus lever Follower gear CD50 T10 - AliExpress
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SmallRig Φ62.5-Φ64.5 Seamless Focus Gear Ring 3291
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Seamless Focus Gear Ring | Tilta
Seamless Focus Gear Ring | Tilta
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Seamless™ Follow Focus Gear Ring for Rokinon 14mm f2.8 ED AS IF UMC (Red Stripe) Lens | Follow Focus Gears
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Amazon.com : SmallRig Seamless Focus Gear Ring (75mm to 77mm) - 3294 : Electronics
