How to fix speedbooster/focal reducer no infinity focus

How to fix speedbooster/focal reducer no infinity focus

Fixing commlite/viltrox/metabones/ or any other speedbooster for m4/3, aps-c adapter that can’t focus to infinity.

Feel free to post all suggestions, questions and opinions in the comment section!
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Luis Marco Gutierrez says:

Thanks for share

The-Entertainment says:

Is there any way to cleaning the glass of metabones speedbooster from fungus?

Iury Carvalho de Almeida says:

If I keep rotating, can I remove that glass from the adapter? I want to buy one speedbooster, but if I sa some vignete I really want to remove that glass to use only as a adapter.

Paul Richards says:

Amazing thanks

JohnOsCreations says:

Cheers dude. Very helpful. Ill try it on my Gh5 and viltrox. All the best from Ireland.

Alexandre Biciati says:

Hi. I've been notice some lubrificant oil around glass adapter. It's ok or there's something wrong with my unit?

SOUND TRAVELS says:

I have a problem where now becuase the infinity got knocked outta whack and my sigma 18-35 wont even slide easily on it anymore. Actually doesnt do a full turn to be aligned correctly so its unusable

Solace in Shelling says:

How to do this with a Viltrox NF Speedbooster? It looks like there's no screw to adjust on this model

SMZ Nation says:

Well done! This video was really helpful, thanks!

Alessandro Selvaggio says:

Does this method correct also corner sharpness?

Jason Sebastian says:

Thanks for this video. Question: how do you know if you've rotated the lens too far? How do you know when infinity focus is set correctly?

WQ says:

Thank you so much dude! I was searching all over the web for this turtorial. My vello EF to E speedbooster is also like this and I was almost about to send this in. I didn't want to because I got this on a lightning deal for $99 instead of $650 MSRP, and I knew something was off – such a big manufacturer would not be so careless! Again, thank you, you just saved me a couple hundred dollars and you now have a new subscriber!

abcd says:

speedbooster has only one lens or more?

Stephan Paier says:

Thank you sooo much for making my adapter useful at last……

Ulf Wogenstein says:

do you or anyone else know if this fix also works on a nikon N/F > MFT Speedbooster Ultra? There's the hole with the screw but as i unscrew it, the lens element is still stuck. it moves just slightly not even a millimeter so i wonder if the nikon speedbooster is ever designed to be infinity adjusted. ah yeah talking about metabones

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