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Oly E-M10 IV and 100-400mm f/5-6.3 IS announced
#13
(08-05-2020, 12:17 PM)Rover Wrote: If the Olympus 100-400 is really a Sigma design (as I've heard loads of times already) does that mean it's an FF lens in disguise?

Yes.  The design schema is identical to this one:

https://www.sigma-global.com/en/lenses/c..._400_5_63/

The dimensions and weight also match - plus-minus a little due to the "extended" tube and Oly styling.

FWIW, it's not the first outsourced lens - the Olympus 75mm f/1.8 is also based on a Sigma patent it seems.

Cooperations between manufacturers aren't unusual anyway. Think of Tamron/Tokina & Pentax.

And Tamron has been "known" to do designs for Sony I think. There are also rumors that the Batis lenses are made by Tamron.
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RE: Oly E-M10 IV and 100-400mm f/5-6.3 IS announced - by Klaus - 08-05-2020, 11:59 PM

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