Features:
Allows the use of for Canon EOS cameras with all M42 Screw mount  lenses    
It's able to focus infinity    
Supports M/ AV mode    
It is possible to use macro rings and other accessories    
Auto focus (AF) is not available    
Diaphragm control of the lens is set manually    
Material & Color:  metal and black    
 
Suitable For:
All M42 Screw mount lens and for Canon EOS camera body.