The Tamron SP 70-200mm F/2.8 Di VC USD G2 is a brand new fast telephoto zoom lens for Nikon and Canon full-frame DSLRs. Offering improved built-in image stabilisation, the compact Tamron 70-200mm lens has a constant aperture of f/2.8 throughout the range. Read our Tamron SP 70-200mm F/2.8 Di VC USD G2 review to find out if it’s the best fast telephoto zoom for full frame users.