Viltrox Auto Focus TELEPLUS/ Magnification Tubes for Canon EF Lens

Description: 

1.Viltrox C-AF 2X TELEPLUS can make the focal length of all the Canon EF lens increased to 2 times as respectively,and the auto-focus function of the original camera lens can be used perfectly, and don't change the EXIF information.                                                                                                                                                       2. C-AF 2X  specially use for 100mm or more fixed focal length lens, but not recommed for use in less than 60mm of short-focus lens.

Features:

Mount Type: Canon EF-Mount lens  

Maginification: 2 times                                       

Depth of field: Half of the original lens  Constitution of the lens: 7 glasses,4 groups                                                             

Focus mode: full auto focus                

Lens coating: Multi-coated                    

Exposure factor: Approx 4 times              

Diameter and length: approx.68*51mm        

Weight: Approx.154g                                         

Front cover: camera cover                        

Rear cover: lens dust cover