TWIST-LOCK LENS BOARD System

ObscuraFlex™ Twist-Lock lens board system for use with ObscuraFlex™ lens mount inserts and Modular Lens Kits. Swap lenses effortlessly without the bulk and hassle of multiple lens boards, or repeated threading and unthreading your lenses. Boards available for: Graflex 4x5 Pacemaker Speed & Crown Graphic 1947-1970s Graflex 3x4 Pacemaker Speed & Crown Graphic Linhof Technika 1946-? Calumet CC-400 etc 4in Sinar F1 / Kodak 5 1/2in Chamonix 4x5 (99mm x 96mm) Lens Mounts in various standard and custom sizes. If you have a specific board style you don't see here, or a specific lens diameter requirement, please email me here . Compatible with the Modular "Toy Lens" Kit Looking for traditional lens boards ?