• Manual Focus Adapter for V-AF series • Enables manual focus • Provides 300? (Max.) mechanical MF + Aperture ring required in professional Cine shooting environment • Ability to mount Matte Box • MOD 0.8 Gear • Can be used with Follow Focus • Ideal with use with Samyang Cine Kit • Tally Light • Dimensions: 41mm x ?95mm • Weather Proof: Yes • Weight: 204.3g / 0.45lbs