New generation "G2" lens boasts faster AF speed and enhanced VC              Introducing 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. Product Details:   Optical design enhanced for even higher performance       VC performance is 5 stops (VC mode 3) and offers three modes optimized for different shooting situations   Demonstratively improved autofocus speed and responsiveness       MOD reduced to 37.4" (1:6.1 max. mag. Ratio)        Tamron's sophisticated eBAND Coating eliminates ghosting and flare       Fluorine Coating and Moisture-Proof and Dust-Resistant Construction       Lightweight and easy-to-hold tripod mount is compatible with an Arca-Swiss style quick release plate    Compatible with TAMRON TAP-in Console, an optional accessory product       Teleconverters (optional) compatible with this new Tamron lens       Improvements achieved for a more stable optical performance across the entire zoom ra...