Fringer EF-FX vs Metabones Speedbooster EF-FX (with Sigma 150-600)

Started 3 months ago | Discussions thread
OP xaprb Forum Member • Posts: 78
Re: Fringer EF-FX vs Metabones Speedbooster EF-FX (with Sigma 150-600)

Thanks for replying. My interest in the speedbooster is purely the extra stop of light and the autofocus improvement it might make if dimness is the reason for the problems I’m having.

 xaprb's gear list:xaprb's gear list
Olympus PEN-F Fujifilm X-S10 Fujifilm XF 23mm F1.4 R Olympus M.Zuiko Digital ED 14-42mm F3.5-5.6 EZ Fujifilm XF 50-140mm F2.8 +5 more
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