20Using a tripodWhen using a tripod, attach it to the lens’ tripod collar instead of the camera.CAUTIONWhen using a tripod, be sure to fully tighten the tripod collar lock screw, otherwisethe lens may fall off the tripod accidentally and cause bodily injury.Attaching the tripod• Insert the tripod collar mounting foot 1 into the tripod collar, then fully tighten thetripod collar lock screw 2. (Fig. H)• Loosen the tripod collar ring fastening screw 1. Depending on the camera’ s position(vertical or horizontal) 2, turn the lens to an appropriate position index on the tripodcollar ring by aligning the tripod collar ring rotating index on the lens, then tighten thescrew 3. (Fig. J)Detaching the tripod• Fully loosen the tripod collar lock screw 1. While holding down the tripod collar lockrelease lever 2, slide the tripod collar mounting foot 3 to detach. (Fig. I)Using bayonet hood HB-29Attaching the hoodAlign the lens hood attachment index ( ) on the lens hood with the hood mountingindex on the lens, and turn the hood counterclockwise (as viewed from the camera side)until it click stops. (Fig. A)Make sure that the lens hood mounting index aligns with the lens hood setting index ( ).If the lens hood is not correctly attached, vignetting can occur.To facilitate attachment or removal of the hood, hold it by its base rather than its outer edge.To store the lens hood, attach it in the reverse position.Detaching the hoodWhile holding down the lens hood lock release button, turn the hood clockwise (as viewedfrom the camera side) to detach. (Fig. B)Lens careClean the lens surfaces with a blower brush. To remove dirt and smudges, use a soft,clean cotton cloth or lens tissue moistened with ethanol (alcohol) or lens cleaner.Wipe in a circular motion from center to outer edge, taking care not to leave traces ortouch other parts of the lens.Never use thinner or benzene to clean the lens as this might damage it, result in a fire,or cause health problems.To protect the front lens element, an NC filter is recommended at all times. A lenshood also helps protect the front of the lens.When storing the lens in its lens case, attach both front and rear caps.En