The Canon RF 135mm f/1.8 L USM not only makes a case for itself as the best Canon prime lens, but as the best 135mm lens period.
RF135mm f/1.8L IS USM: A First Look in 7 Points
Canon RF 135mm f/1.8 L USM Review: Setting a New Standard
Canon RF 135mm f/1.8L IS USM review
Canon RF 135mm f/1.8 L USM Review: Setting a New Standard
Canon announces $2,100 RF 135mm F1.8 L IS USM telephoto lens
Canon RF 135mm F/1.8 Review and Sample Images
Canon RF 135mm F1.8 L IS USM Review
We Review the Amazing Canon RF 135mm f/1.8L IS USM
Canon RF 135mm f/1.8 L USM Review: Setting a New Standard
Canon RF 135mm F1.8 L IS USM Lens Review
Sigma 135mm f/1.8 DG HSM Art Lens for Canon EF Mount
Canon RF 135mm f/1.8 L USM Review: Setting a New Standard
Canon RF 135mm f/1.8L IS USM Review & Sample Images by Ken Rockwell
Canon announces $2,100 RF 135mm F1.8 L IS USM telephoto lens
Hands-on with Canon's RF 135mm F1.8 L IS USM lens: Digital