Blackmagic Forum

Posted: **Tue Jul 02, 2013 10:11 pm**

hi fellas...

since metabones released their famous speedbooster's ef to nex version I was waiting for its ef to mft versions.. but somehow their resisting to not to give any date for their calendar.

that is why I am looking an adapter to mount ef to nex speedbooster to mft blackmagic but I can't find any adapter for it, is there any?

Posted: **Tue Jul 02, 2013 11:56 pm**

If there is one you will have infinity focus issues as the mE-mount Flange Focal Distance is shorter then MFT.

E-mount Flange Focal Distance is 18mm
MFT Flange Focal Distance is 19.25mm

Posted: **Wed Jul 03, 2013 12:07 am**

adamroberts wrote:If there is one you will have infinity focus issues as the mE-mount Flange Focal Distance is shorter then MFT.

E-mount Flange Focal Distance is 18mm
MFT Flange Focal Distance is 19.25mm

but maybe I can fix it with speedbooster's backfocus adjustment function?

Posted: **Wed Jul 03, 2013 5:58 am**

1.25mm is a pretty big difference.

Very small changes in FFD have a very big impact.

Eg: The Tokina 11-16mm has issues on the EF mount if it's just fractions of a mm out.

Posted: **Wed Jul 03, 2013 7:46 am**

How to make an adapter with zero thickness?

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