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Old 25th June 2019
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Beagletorque Beagletorque is offline
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Re: New MC 20 announced.

There is (on average) simply no noticeable image degradation when using a teleconverter on a crop-sensor camera. This is because only the center of the lens is being used to render the image. FF sensor users will notice minor image quality reductions with most TCs, but that doesn’t mean they cannot get acceptable results.

Surely even FF will only use the centre (although more of it) of the lens with a tele or it would still be the same length lens!
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