This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Used Canon YJ18x9B4 KRS 18x ENG lens - ES Broadcast
: Zoom out smoothly to the widest focal length ( 9mm ). Do not touch the front Focus Ring. Instead, look at the rear base of the lens and locate the knurled back focus ring/wheel. Rotate this ring slowly until the chart target returns to perfect sharpness.
Use the manual zoom ring or physically move the camera to focus on the close-up subject. Component Maintenance and Cleaning canon yj18x9b4 manual top
: Gently tighten the rear back focus thumb screw clockwise to secure the flange mechanism. Avoid overtightening, which can strip the fine alignment threads. Managing the Manual and Servo Interface
0.9 meters (approx. 3 feet) from the front element This public link is valid for 7 days
: Take the dedicated 12V DC multiconductor lens cable originating from the rear of the drive unit housing and secure it to the camera body's lens connector receptacle.
Can be set to Auto for camera-controlled exposure or Manual for precise dial adjustment. Can’t copy the link right now
The manual screams about this: Do not touch the back focus ring unless you have a focus chart.