Solution
                            
                        
                        
Additionally, the optional Mount Adapter EF-EOS M can be attached to use EF and EF-S lenses.
 
Attaching EF and EF-S Lenses
 
1. Make sure the camera is off.
 
2. Remove the caps.
      
-  Remove the lens cap and body cap by turning them in the directions shown.
 
    
 
 
3. Attach the lens to the adapter.
      
- To mount an EF lens, align the red dots on the lens and adapter, and then turn the lens in the direction shown until it clicks into place.
 
    
 
      
- To mount an EF-S lens, align the white squares on the lens and adapter, and then turn the lens in the direction shown until it clicks into place.
 
    
 
 
4. Attach the adapter to the camera.
      
- Align the mount indexes (the white dots) on the adapter and camera, and then turn the lens in the direction shown until it clicks into place.
 
    
 
IMPORTANT
        
-  When holding or carrying a camera with a lens that is heavier than the camera, support the lens.
 
        
-  Adapters may extend the minimum focusing distance or affect the maximum magnification or shooting range of the lens.
 
        
-  If the front part (focusing ring) of the lens rotates during autofocusing, do not touch the rotating part.
 
        
-  The focus preset and power zoom features of some super telephoto lenses are not supported.