For me its only a hobbly,
Body 5D MkIII - already have this
100mm macro ( + tubes if thats not cheating ) - already have this
300mm f2.8 is ( + 1.4 & 2x extenders - cheating again ) - would love this lens, but suspect it might be a tad heavy for me. Already have the 300mm f4 is and i'd miss the...