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new stm lenses

Started Jul 4, 2017 | Discussions thread
RedFox88 Forum Pro • Posts: 30,738
Re: new stm lenses
1

Importantly STM lenses are "focus by wire" which means manual focusing isn't smooth and there's a lag to it. Plus you need to do a half shutter button press in order to manual focus since focusing is electronic and you aren't physically moshing lens elements when you rotate the focus ring

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