Macro lens with 1:1 ratio. (Both AF and MF are VERY STIFF because of the dings. M/A ring is working. Aperture blades are clean and snappy). NOT compatible with Nikon: D40/D40X, D60, D3000, D5000, D3100, D5100, D3200, D5200, D5300, D3300, D3400, D5600.
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