EMF AF confirm adapter for Tamron Adaptall 2 mount AD2 lens to Canon EOS EF mount - 5D III 6D 650D 700D 60D 70D M43 For using Pentax Q mount

For using Pentax Q mount mirrorless digital cameras with all Leica R mount lenses

Filter size: 62mm

The lock can fix the position of the lens on the adapter

The length of this helicoid tube 17mm (min) to 31mm (max)

For using Nikon F mount digital SLR cameras with all Leica M mount lenses

EMF AF confirm adapter for Tamron Adaptall 2 mount AD2 lens to Canon EOS EF mount - 5D III 6D 650D 700D 60D 70D M43 For using Pentax Q mountThis is the programmable EMF AF confirm chipped lens adapter ring with built in circuit board for Tamron Adaptall 2 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) Allows focus infinity.