FOTGA DP500III 3 QR A/B Stop Follow Focus For 15mm Rod DSLR Rig Camcorder Camera
(Sony A7 Series, （ A7,A7R,A7S), A7II Series （ A7II,A7RII,A7SII ）, Panassonic GH3/GH4, Blackmagic BMPCC, Canon5DII/5DIII/5DIV, Nikon D500. FOTGA DP500 Mark III QR 15mm Rod System Standard Dampen Follow Focus based on the classic Mark II and IIS version, Which design the more precision and smoothness of the transmission structure and output interface.
