ISO 12233 resolution chart results for the Canon Extender EF 1.4x III
and Canon Extender EF 2x III
have been added to the following reviews (the III results are the last pair of focal length options for each lens): Canon EF 70-200mm f/4.0 L USM Lens ReviewCanon EF 70-200mm f/2.8L USM Lens ReviewCanon EF 135mm f/2.0L USM Lens ReviewCanon EF 180mm f/3.5L USM Macro Lens ReviewCanon EF 200mm f/2.8L II USM Lens ReviewCanon EF 200mm f/2.0L IS USM Lens ReviewCanon EF 300mm f/4.0 L IS USM Lens ReviewCanon EF 300mm f/2.8L IS USM Lens ReviewCanon EF 400mm f/5.6L USM Lens ReviewCanon EF 400mm f/4.0 DO IS USM Lens Review
Canon 1.4x III and 2x III results for the rest of the compatible Canon lenses are coming soon.
ISO 12233 resolution chart results have also been added to the following Nikon lens review placeholder pages: Nikon 24-120mm f/4G AF-S VR Lens ReviewNikon 28-300mm f/3.5-5.6G AF-S VR Lens ReviewNikon 55-300mm f/4.5-5.6G AF-S DX VR Lens ReviewNikon 85mm f/1.4G AF-S Lens Review
I've had some setbacks in getting full the Nikon lens reviews going, and I remain committed to Canon reviews as my priority, but I am making a significant time-related life change that will (hopefully) allow me to begin these full reviews soon. Enjoy the ISO 12233 chart results in the mean time.