The CS-154 clamp is based on the 15mm lightweight cinema standard, the rods are 60mm apart (symmetric to the optical axis). The vertically and horizontal positioned rods feature a 85mm offset of the bracket center.The CS-154 clamp bracket is fabricated from precision milled high grade aluminum with a black anodized finish. It features a mount for the CS-M1 or CS-M2 units. This mounting-system allows the adjustment of the distance between the optical center of the lens and the rods. The CS-154 features a 3/8"16 mount (1/4"20 when using an adapter) for mounting the unit to a tripod or quick release plate.