Canonflex Lens

Canon 300mm f4.0 R

 

The long Canon R lenses have a manual diaphragm and focus via the Canonflex Bellows R which is attached to an Intermediate Tube and the Canonflex Lens Supporter. Photos of the individual components are shown below

All of the long Canon lenses are most uncommon, particulaly in such fine condition. This particular lens is serial number 20095, making it a second version 300/4.0.

 
 
 
The 300mm Canon R Lens Head, Hood & Front Cap
 
The Canon R Lens Supporter
 

 
The Canon R 300-400 Intermediate Tube
 
The Canon Bellows R
 

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