I have noticed that filters seem to be brand agnostic, i.e., they can be used with any lens as long as the diameter matches. Is this true for other lens accessories like hoods and lens caps as well? ...
I was looking into extenders(Teleconverter) for Canon lenses, and they are quite expensive at around $450 for the 1.4x III or 2x III. I know that extension tubes are a different story, and since they ...