A new Canon rumor surfaced, and it's about new R7 models. Rumors surrounding Canon’s EOS…
Mitakon Lens Turbo For Canon EF Mounts Available On eBay
The new Mitakon Canon EF to MFT Lens Turbo adapter can be . The Mitakon is a clone of the Metabones Speed Booster and costs much less (but does not match the Metabones quality).
Personal View has a long topic about these alternative adapter. It’s interesting to read it to learn about their strength and weaknesses.
[via 43rumors]