Thanks to all who have replied to my post. Unfortunately I have been suffering from Covid and only just felt like doing further tests. Bazsl's comment on manual focus got me thinking. So using a Bob Atkins chart on a 45 degree angle, I shot the lens ...
I am a Nikon and Canon shooter based in the UK. I bought the 100mm with the hope that I could sell my Nikon Z 105mm f4, as the Canon not only seemed a great macro lens but lighter than the Nikon to use as a portrait lens. However, I have found the Ca...
