Neewer QR003 9"/230mm Rail Bar Vixen Style Dovetail design such as external monitors

such as external monitors

so you can smoothly change focus without noticeably affecting the shot's angle of view

Easy Setup

4/75P's maximum aperture is expanded from f/4 to f/3

Neewer QR003 9"/230mm Rail Bar Vixen Style Dovetail design such as external monitorsFeaturing a Vixen style dovetail at the base, the Neewer 9" 230mm Rail Bar mounting plate is compatible with any standard vixen style saddle manufactured by various brands. Two 3. 5" (87. 6mm) countersink slots are designed for installing balancing equipment. 0. 25" (6. 4mm) in width, the slots can accommodate M6 and 1 4" screws. Each slot also features three 3 8" screw holes (M8 countersink holes) with a 1. 4" (35mm) spacing between each one. Twenty