I'm thinking about buying a used one for my MKI 100-400L....but which one.....I assume MKI/II/III are all compatible?
Is the 2x to be avoided....I know they degrade the IQ to some degree but what would be the best way to go?
Any advice would be much appreciated please
Is the 2x to be avoided....I know they degrade the IQ to some degree but what would be the best way to go?
Any advice would be much appreciated please
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