Tamron's 18-270mm F/3.5-6.3 Di II VC PZD was announced in December 2010, as a successor to the well-regarded AF 18-270mm F/3.5-6.3 Di II VC LD Aspherical (IF) MACRO that we reviewed in December 2008. Compared to the previous version, its main attractions are a significant reduction in size and weight, and the addition of an 'Piezo Drive' motor for faster, quieter autofocus. At launch it was also the longest range superzoom available, although it's recently been surpassed by the Nikon AF-S DX Nikkor 18-300mm f/3.5-5.6G ED VR in this respect.
A lens from the megazoom class allows you to capture a much larger area. Megazooms offer focal lengths from wide angles down to the telephoto range and are thus the lens of choice for most situations. As a result of their high level of flexibility, compact size and low weight, these lenses are particularly suitable for daily use as an all-round lens, as well as for vacations, activities requiring little baggage or for families with children and all their gear in tow.
VC (Vibration Compensation)
The VC Image Stabilizer delivers sharp and shake-free images, as well as a smooth viewfinder image.
PZD (Piezo Drive)
The Piezo Drive enables noticeably quick yet at the same time almost silent focussing.
XR (Extra Refractive Index) Glass
A special glass with a particularly high refractive index for greater performance and a compact lens design.
Hybrid aspherical elements ensure unique image quality and compactness.
LD (Low Dispersion)
Lens element for greater image sharpness and the correction of chromatic aberration.
Internal Focusing (IF) System
The extension length of the lens does not change during focussing and the close focussing distance is significantly reduced across the entire focusing range.
Zoom Lock (ZL) Mechanism
Protects against undesired extension of the lens barrel.