Canon 2537A003 User Manual

Nomenclature  
EF100mm f/2.8  
 
②  
③  
④  
Magnification scale (normal operation)  
Distance scale  
Depth-of-Field scale  
Magnification scale with Life Size Converter  
EF attached (EF50mm f/2.5 only)  
Distance index  
Macro Lenses  
EF50mm f/2.5 Compact macro  
EF100mm f/2.8 Macro  
⑤  
⑥  
⑦  
⑧  
⑨  
⑩  
Focusing ring  
Instructions  
Focus mode switch  
Lens mount index  
Contacts  
Focusing distance range selector switch  
(EF100mm f/2.8 Macro only)  
Thank you for purchasing a Canon product.  
2. Setting the Focus Mode  
The EF50mm f/2.5 Compact macro is a macro lens that can be used for  
standard shooting and for close-up shooting up to 1/2 × (0.5×). This is a  
standard macro lens for EOS cameras. Lifesize magnification (1×) is also  
possible by attaching the Life Size Converter EF sold separately.  
The Canon EF100mm f/2.8 Macro is a medium telephoto macro lens that  
provides life-size close-up capability.  
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.  
❶  
❷  
❸  
❹  
Do not touch the rotating parts of the lens while AF is active.  
3. Switching the Focusing Distance Range  
(EF100mm f/2.8 Macro only)  
FULL: Allows a focusing distance range of 0.31 m (Min. focusing  
Safety Precautions  
distance) to for standard shooting .  
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.  
LIMIT: Allows a focusing distance range of 0.31 m (life-size) to 0.
(0.25×) for close-up shots.  
4. Close-up Photography (Macro Phot
Close-up photos are possible up to 0.5× maximum n with the  
EF50mm f/2.5 Compact macro, and up to (life-sization with  
the EF100mm f/2.8 Macro. The focusiis thnce from the  
subject to the film plane.  
When focusing, you can give priority magcation.  
Handling Cautions  
[Framing Priority]  
While looking through tviewder asubject, focus with  
the AF or MF mode.  
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.  
[Magnification Priori
(1) Set the lens’ focus ode switch o MF.  
(2) Set the magnificati
While referring to the nce scon the lens, turn the focusing ring  
to the desired magnificat
1. Mounting and Detaching the Lens  
See your camera’s instructions for details on mounting and  
detaching the lens.  
(3) Focus the subject.  
While looking through the viewfinder, move the camera forward or  
back to find the point of 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.  
(4) Touch up the focus.  
Turn the focusing ring for fine focusing.  
Since macro shots have a very shallow depth of field, focus  
carefully to obtain proper sharpness.  
To prevent camera shake, using a Remote Switch and tripod is  
recommended (both sold separately).  
If the contacts get soiled or have fingerprints on them, clean them with  
a soft cloth.  
To check the depth of field, press the camera’s depth-of-field  
preview button.  
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 cap, and turn  
clockwise. To remove it, reverse the order.  

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