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Can The Metabones Speed Booster Really Increase Maximum Aperture?

The recently announced Speed Booster lens converter from Metabones has been getting a lot of attention. The Speed Booster allows you to use SLR lenses on mirrorless cameras, making them 0.71x wider (with APS-C sensor cameras) and improving MTF (Modulation Transfer Function). Metabones also claims th ...    Read More »


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