The Diopter Frame 138mm from ARRI allows for select 138mm diopters of up to +2 to be used in a lightweight matte box such as the ARRI LMB 4×5 or LMB-25
The Cine RT System is one of the most popular distance reference tools available to professional focus pullers, and the best ultrasonic cinema rangefinder & transmitter tracking system in its class.
