Maintains sharp focus throughout the entire zoom range once the back focus is set.
: Because the lens length never changes during focusing, you can use matte boxes and polarizing filters without fear of them rotating or shifting. canon yj18x9b4 manual top
If you need a specific section (e.g., exploded view, servo wiring, maintenance), let me know and I can provide further generic technical guidance without reproducing the copyrighted manual. Maintains sharp focus throughout the entire zoom range
Use a soft blower to remove loose dust first. For fingerprints, use a clean microfiber cloth and specialized lens cleaning fluid. canon yj18x9b4 manual top