Canon EF 8-15 mm f/ 4 L USM Fisheye Lens Parts Catalog (en)

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 EF-M LENS Instructions
EF-M 22mm f/2 STM
Nomenclature
 Focusing ring
 Hood/Filter Mounting Thread
 Lens mount index
 Contacts
Thank you for purchasing a Canon product.
The Canon EF-M 22mm f/2 STM lens is a small fixed 
focus length lens developed for interchangeable-lens 
digital cameras compatible with EF-M lenses*.
* Only the following cameras are compatible with 
EF-M lenses (as of September 2012): 
EOS M
• "STM" stands for stepping motor.
 Safety Precautions
Do not look at the sun or a bright light source 
through the lens. Doing so could result in vision 
loss or blindness.
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.
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.
• Do not leave the lens in excessive heat such as 
in a car in direct sunlight. 
High temperatures 
can cause the lens to malfunction.
• Please also refer to the handling cautions found 
in your camera’s instructions.
Conventions used in this instruction
  Warning to prevent lens or camera 
malfunction or damage.
  Supplementary notes on using the lens and 
taking pictures.
1. Mounting and Detaching the Lens
Please mount and detach the lens only with the 
camera turned OFF.
See your camera’s instructions for details on 
mounting and detaching the lens.
After detaching the lens, place the lens with 
the rear end up to prevent the lens surface and 
contacts from getting scratched. (fig.❶)
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.
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 as shown 
in the diagram, and turn clockwise. (fig.❷) To 
remove it, reverse the order.
2. Manual Focus
When the camera’s focus mode is set to [MF], focus 
manually by turning the focusing ring  (fig.❸).
Quickly rotating the focusing ring may result in 
delayed focus.
Focus mode is set using the camera. Please 
refer to the camera’s instructions.
After autofocusing in [AF+MF] mode, focus 
manually by pressing the shutter button halfway 
and turning the focusing ring (full-time manual 
focusing).
CEL-ST6AA210