Macro EMF AF confirm adapter for C mount lens to Canon EOS EF mount - 5D III 6D 650D 700D 60D 70D roxsen can mount full frame lenses

can mount full frame lenses on APS-C frame camera bodies

Please hold your camera tightly during your moving shooting when your lens is heavier than the camera

Optical Design: 6 Elements in 4 Groups

5 lens help achieved the APO quality

Macro EMF AF confirm adapter for C mount lens to Canon EOS EF mount - 5D III 6D 650D 700D 60D 70D roxsen can mount full frame lensesThis is the programmable EMF AF confirm chipped lens adapter ring with built in circuit board for C mount lens on your Canon EOS EF mount camera, saving you the expense of a costly and irreversible conversion. Please refer to EMF AF Confirm Chip For M42 Lens To Canon. docx for programming . (Please contact us on compatibility of camera model, best for models older than EOS 700D) It does not support focusing infinity. It can be used for macro