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Old 31st October 2018
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Re: New Olympus Patent: 400mm f4.0 MFT Lens

Quote:
Originally Posted by Thomas Westhead View Post
If this new Olympus zoom comes to the market is it likely to be internally focusing like the Pro 40-150 f2.8 ? I personally would feel this is Very important.

I don't have a great deal of knowledge of optics but it seems to me even an MFT lens 150-400mm f2.8 PRO would be impractically huge. Would a facility for internal zooming make it even larger?
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