Canon Camera Lens 2509A003 User Manual

Nomenclature  
 
②  
③  
④  
⑤  
⑥  
⑦  
Distance scale  
Infrared index  
Distance index  
Contacts  
Lens mount index  
Focus mode switch  
Focusing ring  
EF Lenses  
EF14mm f/2.8L USM  
EF20mm f/2.8 USM  
EF24mm f/1.4L USM  
EF28mm f/1.8 USM  
EF35mm f/1.4L USM  
EF50mm f/1.4 USM  
EF85mm f/1.8 USM  
EF100mm f/2 USM  
EF200mm f/2.8L USM  
Instructions  
Thank you for purchasing a Canon product.  
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.  
2. Setting the Focus Mode  
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. The focusing ring  
always works, regardless of the focus mode.  
 
❷  
❸  
❹  
❺  
• After autofocusing in ONE SHOT AF mode, focus manually by  
pressing the shutter button halfway and turning the focusing  
ring (Full-time manual focus)  
.
3. Infinity Compensation Mark  
To compensate for shifting of the infinity focus point that res
from changes in temperature.  
Handling Cautions  
The infinity position at normal temperature is which th
vertical line of the L mark is aligned with the diator on  
the distance scale .  
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.  
❻  
❼  
• For accurate focusing in MF on sinfinitance, look  
through the viewfinder while rcusining.  
4. Infrared Index  
The infrared index core focusing  
monochrome infrareilm. Focus on MF, then  
adjust the distance sng by moving g ring to the  
corresponding infrarindex mark .  
1. Mounting and Detaching the Lens  
See your camera’s instructions for details on mounting and  
detaching the lens.  
• Some EOS cameras nnot use rared film. See the instructions  
for your EOS camer
• 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.  
• The infrared index posn ised on a wavelength of 800 nm.  
• Be sure to observe the manufacturer’s instructions when using  
infrared film.  
• Use a red filter also when you take the picture.  
• 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  
cap, and turn clockwise. To remove it, reverse the order.  
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