Canon EF 135mm f/2.8 Instructions Manual

Thank you for purchasing a Canon product.The EF135mm f/2.8 is a lens that incorporates a soft focusingmechanism.Safety Precautions1. Do not look at the sun or a bright light source through thelens or camera. Doing so could result in loss of vision. Lookingat the sun directly through the lens is especially hazardous.2. Whether it is attached to the camera or not, do not leave thelens under the sun without the lens cap attached. This is toprevent the lens from concentrating the sun’s rays, which couldcause a fire.Handling CautionsIf the lens is taken from a cold environment into a warm one,condensation may develop on the lens surface and internalparts. To prevent condensation in this case, first put the lensinto an airtight plastic bag before taking it from a cold towarm environment. Then take out the lens after it has warmedgradually. Do the same when taking the lens from a warmenvironment into a cold one.1. Mounting and Detaching the LensSee your camera’s instructions for details on mounting anddetaching the lens.• After detaching the lens, place the lens with the rear end up toprevent the lens surface and contacts from getting scratched.• If the contacts get soiled, scratched, or have fingerprints on them,corrosion or faulty connections can result. The camera and lensmay not operate properly.• If the contacts get soiled or have fingerprints on them, clean themwith a soft cloth.• If you remove the lens, cover it with the dust cap. To attach itproperly, align the lens mount index and the  index of the dustcap, and turn clockwise. To remove it, reverse the order.2. Setting the Focus ModeTo shoot in autofocus (AF) mode, set the focus mode switch to AF .To shoot in manual focus (MF) mode, set the focus mode switch toMF, and focus by turning the focusing ring.• Due to the difficulty of adjusting the focus in MF for soft focusshots, we recommend that you use AF.3. Setting the Soft Focus IndexYou can select a soft focus index of 0, 1 or 2. Higher settings give amore pronounced soft-focus effect. Selecting the 0 setting disablesthe soft focus effect.While sliding the soft focus switch in the direction of the arrow,select the image softness by turning the soft focus ring .The recommended settings for normal portrait shots are an apertureof f/2.8 (wide aperture) and a soft focus index of 2. In shots withstrong backlighting or highlights, you should reduce the soft focusindex to 1.Q The soft focus effect can be checked as a guide with thehighlighted areas in the viewfinder image.Q Since image softness also depends on the aperture, the aperture-priority AE mode is best for soft focus photography.Q For more information on the effects of combinations of soft focusindexes and aperture settings, see the enclosed leaflet (ComparisonsBetween the Soft Focus Index and Aperture).4. Adjusting the FocusAdjust the focus after you have set the soft focus index.5. Depth-of-Field ScaleThe depth of field is the distance in front of and behind the planeof focus on the subject that appears sharp. The depth of field isindicated by the area between the depth-of-field scale lines belowthe distance scale. The numbers on the scale are F values, and forexample, if the shooting distance is 5 m and the aperture is f/22, thearea in focus will extend from about 4.5 m to 7 m .• The depth-of-field scale is an approximate indicator.NomenclatureContactsLens mount indexFocus mode switchFocusing ringSoft focus switchSoft focus ringSoft focus indexDistance scaleDepth-of-Field scaleEF LensEF135mm f/2.8 (with soft focus mechanism)InstructionCOPY

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