TAKO. INTERNET SEIT 1996.
Olympus-OM

Re: [OM] GX85 Clarity Slider - Frank

Subject: Re: [OM] GX85 Clarity Slider - Frank
From: Mike Gordon via olympus <olympus@xxxxxxxxxxxxxxxxx>
Date: Mon, 2 Sep 2019 21:14:54 +0000 (UTC)
Cc: usher99@xxxxxxx
<<Metabones Speedbooster Ultra: the one to beat. Unfortunately, the one to beat 
<<on price, as well.

Should at least look at the Speedbooster M43 XL version which is 0.64X and gets 
the crop factor down to 1.28 X vs 1.42X with the ultra.  Unfortunately it is 
not recommended for use with E-M1 Mk2. Bah. 

https://www.dpreview.com/forums/thread/3880724

The MTF of most lenses actually IMPROVE with either, the way these things work 
though more so with the Ultra at the price of more  crop factor.

https://www.metabones.com/assets/a/stories/Speed%20Booster%20White%20Paper.pdf

Mike

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