Nikon VR/Sigma OS/Tamron VC/Tokina VCM: Optical image stabilization, Nikon designation 'Vibration Reduction', indicated by green background, a system used to compensate for vibration and other camera movement.
Nikon G, Sigma/Tamron/Tokina: no designation: The lens is not fitted with an aperture ring, and is thus incompatible with most old Nikon film SLR bodies [REF].