#03-684 Swivel Arm
90° Angle Mount #39-355 features two ¾" thru holes at 90° with locking knobs. All Ring Mounts feature ¼-20 mounting hole, set screw for securing post, or optical component within the inner diameter. Swivel Arm #03-684 features a 0.75" diameter post which accepts rack and pinion focusing mount and allows swivel movement. Infinity Mounting Adapter #39-358 features male and female T-thread to replace 24mm tube section of infinity lens.