To maximize the optical performance of the YJ18x9B4, two critical mechanical calibrations must be checked whenever mounting the lens to a new camera body. Back Focus Adjustment (Flange Focal Distance)
A: Yes, many KRS variations include a built-in 2x extender, allowing you to double your focal length (18-324mm) at the cost of two stops of light (f/1.8 → f/3.6). By understanding the manual controls of the Canon YJ18x9B4 KRS canon yj18x9b4 manual top
is a high-precision 2/3" B4-mount broadcast zoom lens, widely used for ENG (Electronic News Gathering), field productions, and studio work. Zoom Ratio: 18x optical zoom. Focal Range: 9mm (wide) to 162mm (telephoto). To maximize the optical performance of the YJ18x9B4,
Rotate the focus ring until the image is sharp. canon yj18x9b4 manual top
Engage the macro lever/switch (usually near the focus ring).