Operation Manual
955-0003_v3.2, Rev- A1  COPYRIGHT © 2012 RED Digital Cinema 
225 
BACK FOCUS ADJUSTMENT 
WARNING: THERE IS A SCREW-IN METAL PLUG INSTALLED IN THE CAMERA BODY COVERING 
THE BACK FOCUS SCREW. THIS PLUG 
MUST BE REMOVED
Back Focus Adjustment Location 
 BEFORE TO PERFORMING A BACK 
FOCUS ADJUSTMENT. TO REMOVE THE PLUG, USE A T-10 TORX SCREWDRIVER. 
NOTE: To be able to perform this procedure as written, you must have a PL mount and RED 
Focus™. 
Back focus is adjusted by turning the back focus adjustment on the top of the camera’s front plate using 
a T-10 Torx screwdriver. This screw is indicated by a Siemens Star with an arrow pointing to its location. 
1.  Remove the screw-in plug located in the back focus adjustment opening using a T-10 Torx 
screwdriver. 
2.  Place the camera on a level, stable surface or mount the camera on a tripod. 
3.  Install RED Focus to the camera PL mount. 
a.  Remove the camera lens or sensor cover if equipped. 
b.  Install RED Focus onto the camera in the position shown. 
c.  Ensure RED Focus is secured to the camera with the camera lock ring. 










