New Lens Board Copal 3 Compur 3 Prontor 3 for Graflex Speed Graphic 4x5 Lens Board for Crown Speed Graphic 4x5 Copal 3 built in CNC machined aluminum. The finish is Satin and the back side is painted black to prevent light reflections. The lens board is fully compatible with all lenses with Copal 3, Compur 3 and Prontor 3. Hole size 65mm. The camera is not included, Lens board only. Also available express shipping if required. For any questions do not hesitate to ask. Lens Board for Speed Crown Graphic 4x5 size Copal 3 built in CNC machined aluminum. The finish is satin and the back is painted black to avoid light reflections. The flange is absolutely compatible with all lenses with Size Copal 3, Compur 3 and Prontor 3.