enny Posted October 6, 2024 Share Posted October 6, 2024 So I have MfT black magic 2.5k and sigma 18-35 on the way with speedboster made for BMC now I just found out I can't control aperture on my sigma with dumb adapter. Since BM don't have those control contact point how is aperture controlled by camera? Link to comment Share on other sites More sharing options...
enny Posted October 6, 2024 Author Share Posted October 6, 2024 As you can see speedboster made for this camera has contacts in the back of it Link to comment Share on other sites More sharing options...
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