our years on from the launch of the 18-135mm IS STM, Canon announced this ‘USM’ edition in 2016. However, the autofocus system isn’t based on either of the usual ring-type or motor-based ultrasonic mechanisms. It’s rather different. Indeed, whereas the previous edition was the first Canon lens to feature stepping-motor AF, this
CANON EF-S 18-135mm f/3.5-5.6 IS USM £484/$599
Jun 20, 2024
2 minutes
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