The Canon EF-S 18-135mm f/3.5-5.6 IS STM ($549.99 direct) is one of only two lenses from Canon that use STM focusing motors, the other being the EF 40mm f/2.8 STM. When paired with the new EOS Rebel T4i D-SLR these lenses provide smooth, silent autofocus during video recording.

Canon EF-S 18-135mm f/3.5-5.6 STM IS - Review / Test Report Lens Reviews - Canon EOS (APS-C). Canon produces some of the finest lenses out there but to date their extreme range zoom lenses were hardly stunning. The Canon EF-S 18-200mm f/3.5-5.6 IS is clearly substandard and the EF-S 18-135mm f/3.5-5.6 IS was not without flaws either.

The Canon EF-S 18-135mm f/3.5-5.6 IS STM Lens is a significant upgrade from the standard-at-review-time 18-55mm IS kit lens. It is an upgrade in many ways, but the 18-135's most attractive features are a wide (7.5x) focal length range, a relatively light weight & small package, a good IS (Image Stabilization) implementation and a low price (a great value in a DSLR kit - medium price otherwise).