Recently, Canon announced the EOS R6 Mark II mirrorless camera, and alongside it came the RF 135mm f/1.8 L IS USM lens, the update to one of the company's most popular lenses, the EF 135mm f/2L. As such, expectations are high for the new version. This great review takes a look at the new lens and the sort of performance and image quality you can expect from it in usage.