What are the caveats when choosing a teleconverter brand that is of a different brand than the lens it will be attached to in attempt to maximize image quality? Lets assume the following to make the ...
Do you suggest using an extender/tele converter with a Macro lens such as Canon 100mm f2.8 macro lens?
Do you suggest using a teleconverter with a dedicated macro lens? I have tried out using a Kenko TC with canon macro lens - however I am not 100% satisfied with the "extra" magnification that I got on ...