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 ...
Using the Canon EF-S 18-135mm f/3.5-5.6 IS USM kit lens, we measured only 0.130 second for full AF lag using single point (center) AF-S in the default electronic first curtain shutter (EFCS ...