40Attaching and Detaching a LensTo zoom, turn 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 slightly.While pressing the lens releasebutton, turn the lens as shown bythe arrow. Turn the lens until it stops, thendetach it. Attach the rear lens cap to thedetached lens.About ZoomingDetaching the Lens Do not look at the sun directly through any lens. Doing so may causeloss of vision. If the front part (focusing ring) of the lens rotates during autofocusing, donot touch the rotating part. If you purchased an EF-S 18-135mm f/3.5-5.6 IS STM lens kit, see“Handling Precautions” on page 340.Image Conversion FactorSince the image sensor size issmaller than the 35mm filmformat, it will look like the lensfocal length is increased byapprox. 1.6x.Image sensor size (Approx.)(22.3 x 14.9 mm / 0.88 x 0.59 in.)35mm image size(36 x 24 mm / 1.42 x 0.94 in.)www.devicemanuals.euWhile pressing the lens releasewww.devicemanuals.euWhile pressing the lens releasebutton, turn the lens as shown bywww.devicemanuals.eubutton, turn the lens as shown byTurn the lens until it stops, thenwww.devicemanuals.euTurn the lens until it stops, thendetach it.www.devicemanuals.eudetach it.Attach the rear lens cap to thewww.devicemanuals.euAttach the rear lens cap to thedetached lens.www.devicemanuals.eudetached lens.www.devicemanuals.euDo not look at the sun directly thwww.devicemanuals.euDo not look at the sun directly th
