Canon Camera Lens EF 135mm f 28 User Manual

Nomenclature  
 
②  
③  
④  
⑤  
⑥  
⑦  
⑧  
⑨  
Contacts  
Lens mount index  
Focus mode switch  
Focusing ring  
EF Lens  
EF135mm f/2.8 (with soft focus mechanism)  
Instruction  
Soft focus switch  
Soft focus ring  
Soft focus index  
Distance scale  
Depth-of-Field scale  
Thank you for purchasing a Canon product.  
2. Setting the Focus Mode  
 
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❹  
❺  
The EF135mm f/2.8 is a lens that incorporates a soft focusing  
mechanism.  
To shoot in autofocus (AF) mode, set the focus mode switch to AF .  
To shoot in manual focus (MF) mode, set the focus mode switch to  
MF, and focus by turning the focusing ring.  
• Due to the difficulty of adjusting the focus in MF for soft focus  
shots, we recommend that you use AF.  
Safety Precautions  
1. Do not look at the sun or a bright light source through the  
lens or camera. Doing so could result in loss of vision. Looking  
at the sun directly through the lens is especially hazardous.  
2. Whether it is attached to the camera or not, do not leave the  
lens under the sun without the lens cap attached. This is to  
prevent the lens from concentrating the sun’s rays, which could  
cause a fire.  
3. Setting the Soft Focus Index  
You can select a soft focus index of 0, 1 or 2. Higher settings give a  
more pronounced soft-focus effect. Selecting the 0 setting disables  
the soft focus effect.  
While sliding the soft focus switch in the direction of thrrw,  
select the image softness by turning the soft focus g .  
<Correlation between aperture and the soft tensit
The recommended settings for normal portrait se an apeure  
of f/2.8 (wide aperture) and a soft focuof n shots with  
strong backlighting or highlights, you ducthe soft focus  
index to 1.  
Handling Cautions  
If the lens is taken from a cold environment into a warm one,  
condensation may develop on the lens surface and internal  
parts. To prevent condensation in this case, first put the lens  
into an airtight plastic bag before taking it from a cold to  
warm environment. Then take out the lens after it has warmed  
gradually. Do the same when taking the lens from a warm  
environment into a cold one.  
Q The soft focus effect can bchecked with the  
highlighted areas in the vwfinder im
Q Since image softness also pends n the aperture, the aperture-  
priority AE mode is best for oft fous photography.  
Q
For more information on the effs of combinations of soft focus  
indexes and aperture settings, see the enclosed leaflet (Comparisons  
Between the Soft Focus Index and Aperture)  
1. Mounting and Detaching the Lens  
.
See your camera’s instructions for details on mounting and  
detaching the lens.  
4. Adjusting the Focus  
• After detaching the lens, place the lens with the rear end up to  
prevent 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 lens  
may not operate properly.  
Adjust the focus after you have set the soft focus index.  
5. Depth-of-Field Scale  
The depth of field is the distance in front of and behind the plane  
of focus on the subject that appears sharp. The depth of field is  
indicated by the area between the depth-of-field scale lines below  
the distance scale. The numbers on the scale are F values, and for  
example, if the shooting distance is 5 m and the aperture is f/22, the  
area in focus will extend from about 4.5 m to 7 m .  
• If the contacts get soiled or have fingerprints on them, clean them  
with a soft cloth.  
• If you remove the lens, cover it with the dust cap. To attach it  
properly, align the lens mount index and the index of the dust  
• The depth-of-field scale is an approximate indicator.  
cap, and turn clockwise. To remove it, reverse the order.  
 

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