Stm

RO: Stm EN: Stm

Fotografie

STepper Motor - motor pas-cu-pas, utilizat de Canon pentru autofocalizarea obiectivelor, creditat ca fiind foarte silentios, deci utilizabil cand se realizeaza secvente video.
Fotomagazine

98%

Accuracy

Stm

Canon Lens Class and Technology Abbreviations - Stepper Motor designed to minimize autofocus vibrations and noise during video recording, this autofocus motor has been gradually making its way into budget Canon lenses. The first lens to sport STM was the EF-M 22mm f/2 STM lens. Now, all EF-M lenses incorporate the Stepper Motor, but even some EF-S lenses have been updated, like the EF-S 18-55mm f/3.5-5.6 IS STM lens. STM lenses use fly-by-wire focusing, which means turning the focus ring does not physically move the elements, but tells the AF motor to do so.

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