![BMCC variant Speed Booster works on GH3 and GH4 to give 1.28x crop, near full frame - EOSHD.com - Filmmaking Gear and Camera Reviews BMCC variant Speed Booster works on GH3 and GH4 to give 1.28x crop, near full frame - EOSHD.com - Filmmaking Gear and Camera Reviews](https://www.eoshd.com/wp-content/uploads/2014/04/gh4-bmcc-speed-booster-660x371.jpg)
BMCC variant Speed Booster works on GH3 and GH4 to give 1.28x crop, near full frame - EOSHD.com - Filmmaking Gear and Camera Reviews
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Buy VILTROX EF-M2 II 0.71x Reducer Speed Booster Auto Focus Lens Adapter Compatible with Canon EF Lens to Micro Four Thirds M43 MFT Mount Camera Panasonic GH4 GH5 GH5S GF6 GF1 GX7
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