41Attaching and Detaching a LensTurn the zoom ring on the lenswith your fingers.If you want to zoom, do it beforefocusing. Turning the zoom ring afterachieving focus may throw off thefocus.While pressing the lens releasebutton, turn the lens as shown bythe arrows.Turn the lens until it stops, thendetach it.Attach the rear lens cap to thedetached lens.To owners of the EF-S 18-200mm f/3.5-5.6 IS lens:You can prevent the lens from extendingout while you are carrying it around. Setthe zoom ring to the 18mm wide-angleend, then slide the zoom ring lock leverto <LOCK>. The zoom ring can belocked only at the wide-angle end.ZoomingDetaching the LensDo not look at the sun directly through any lens. Doing so may causeloss of vision.When attaching or detaching a lens, set the camera’s power switch to<2>.If the front part (focusing ring) of the lens rotates during autofocusing, donot touch the rotating part.If you purchased a lens kit with the EF-S 18-55mm f/3.5-5.6 IS STMor EF-S 18-135mm f/3.5-5.6 IS STM lens, see “HandlingPrecautions” on page 443.
