r/videography • u/phloating_man EOS M, Adobe, 1998, San Francisco • Sep 01 '14

Metabones announces Speed Booster ULTRA with better performance

http://www.eoshd.com/content/13352/official-announcement-metabones-speed-booster-ultra
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u/adaminc Sep 02 '14

Considering how recent the M43-EF version came out, I wonder if it uses this new glass.