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Product Description
<span style="font-size:15px;">This BETA mount was designed to modify and adapt the FD 50mm f/1.4 S.S.C. lens to use it with EF DSLR Cameras. This lens will need the next beta aperture arm: </span>http://shpws.me/SmN4<br /><span style="font-size:15px;">The mount has a gap because Shapeways 3d printing limitations.</span>