Canon STM lenses have stepping motors that allow you to focus quietly and follow your subject smoothly. Canon expert Jon Lorentz demonstrates the quiet smoothness of Canon's STM technology. For more information, please visit: http://Canon.us/duvx
2018年11月9日星期五
Canon EF 101: STM Lenses
Canon STM lenses have stepping motors that allow you to focus quietly and follow your subject smoothly. Canon expert Jon Lorentz demonstrates the quiet smoothness of Canon's STM technology. For more information, please visit: http://Canon.us/duvx
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