John Riley reviews the new Canon EF-S 18-135mm f/3.5-5.6 IS USM and Power Zoom Adapter PZ-E1. 2 Nov 2016 11:42AM by John Riley | Canon EF-S 18-135mm f/3.5-5.6 IS USM in Interchangeable Lenses ...

or bundled with the new Canon EF-S 18-135mm f/3.5-5.6 IS USM lens. Below are the results of our basic optical tests with the 18-135mm USM lens. (A full review of this lens will be posted at a ...