Canon Yj18x9b4 Manual Top Review

Includes a standard Hirose 12-pin connector for power and camera communication (Record/Return buttons). Professional Optics

This lens is a popular choice for adaptation to modern mirrorless or cinema cameras (like the Sony FS7 or Panasonic GH series) using B4-to-E or B4-to-MFT adapters.

: Locate the small thumb screw or knurled lock ring at the very rear base of the lens barrel (just ahead of the chrome B4 bayonet mount). Rotate it counterclockwise to unlock the rear flange mechanism. canon yj18x9b4 manual top

Set the iris switch to "M". Rotate the iris ring to the desired f-stop. Back Focus Adjustment Perform this check if the image loses focus while zooming. Set the lens to maximum wide angle (9mm). Open the iris fully. Focus on a detailed chart at least 3 meters away.

: Snap the square hood onto the front barrel. Align the integrated index indicators, and tighten the hood lock knob clockwise to avoid vignetting or stray reflections. Includes a standard Hirose 12-pin connector for power

Zoom in completely to the telephoto end (162mm) and focus the lens using the focus ring. Zoom out completely to the wide end (9mm).

Use the focus ring and macro ring in tandem to map out ultra-close focus planes. Return the ring completely to its index lock for normal parfocal shooting. Back Focus Adjustment Procedure Rotate it counterclockwise to unlock the rear flange

Operational Note: When macro mode is actively engaged, the lens will no longer maintain parfocal focus through a zoom range. Once you finish capturing close-up details, make sure to rotate the ring back into its locked detent position to restore normal operation. Maintenance, Handling, and Long-Term Field Storage

Hope this helps anyone still rocking this classic lens!

technology, allowing operators to instantly toggle between any two zoom positions at the touch of a button to quickly check focus. Build Quality:

Perform the back-focus calibration sequence outlined in the manual operations section above. Matte box or filter interference.