New generation "G2" lens boasts faster AF speed and enhanced VCIntroducing the pinnacle of fast telephoto zoom with advanced features for improved optical performance, functionality and usability - All features overhauled to create an accomplished, top-grade high-speed telephoto zoom lens.ProductDetails:Optical design enhanced for even higher performanceVC performance is 5 stops (VC mode 3) and offers three modes optimized for different shooting situationsDemonstratively improved autofocus speed and responsivenessMOD reduced to 37.4" (1:6.1 max. mag. Ratio)Tamron's sophisticated eBAND Coating eliminates ghosting and flareFluorine Coating and Moisture-Proof and Dust-Resistant ConstructionLightweight and easy-to-hold tripod mount is compatible with an Arca-Swiss style quick release plateCompatible with TAMRON TAP-in Console, an optional accessory productTeleconverters (optional) compatible with this new Tamron lensImprovements achieved for a more stable optical performance across the entire zoom ra...