~1.2 kg (2.6 lbs), optimized for handheld shoulder-mount tracking Filter Thread Size: 82mm ( Physical Overview & Drive Unit Diagram
No, this lens was primarily designed for standard definition (SD) broadcast cameras. That said, many users report it performs admirably on modern HD and even 4K cameras, especially when stopped down. It is often used on cameras like the Blackmagic URSA with good results.
Rotate the flange back ring until the image is perfectly sharp. Do not touch the main focus ring.
Master Guide to the Canon YJ18x9B4 BCTV Lens: Operation, Manual Calibration, and Professional Best Practices
One of its standout features is the fast zoom speed, capable of transitioning from wide to telephoto in roughly 1.7 seconds
: 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
If the image is blurry, loosen the back focus locking screw on the lens and turn the ring until the image is perfectly sharp.
The lens supports both handheld operation and studio configuration using external demands. Servo/Manual Zoom Switch
Zoom in fully to telephoto (162mm) and refocus using the focus ring. Zoom back out to wide angle.
efficiently requires total familiarity with its hand-grip servo unit and optical rings.
: Utilizes an internal focusing mechanism, meaning the lens length does not change during focusing, which is ideal for use with matte boxes and filters.
The Canon YJ18x9B4 projector lens arrived in a long, padded box. Instructions were a single folded sheet—simple steps: mount the lens to the projector body, lock the bayonet, connect the lens servo cable, set zoom/iris stops, and calibrate focus. The technician wiped the lens glass, aligned the projector on its tripod, and tightened the mount bolts until the lens sat perfectly centered.
Rotate the locking ring clockwise until the lens is securely seated. Ensure it is locked properly to prevent it from dropping.
has been a staple in these environments. Known for its versatility and reliable "Pro Video" optics, this lens continues to find new life even in the era of 4K cinema. AVGear.com