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Why not a 12-35 F1.8 - F2.8?

Started Apr 2, 2014 | Discussions thread
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Re: Why not a 12-35 F1.8 - F2.8?
In reply to CharlesB58, Apr 2, 2014

You are probably right. Can you explain in simple terms, or perhaps point me to a resource?

CharlesB58 wrote:

superstar905 wrote:

If Sony can make a 28-70 at the equivalent aperture as noted in the subject, why can't we have one for a M43s lens? I mean, the 12-35 is a constant F2.8, but if you compare to the Zeiss offering being the same size as the Panny zoom, I don't see why not......

Because you are misunderstanding "equivalency" in regards to actual lens construction vs how a given lens applies to a given sensor.

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