The Preston FI+Z DM1, DM2, and DM3 Digital Motors are optimized for different applications. The DM1 is a powerful all purpose lens motor. It's designed to turn even the stiffest lenses under all extremes of temperature, vibration and humidity. Its housing is fabricated from magnesium and coated with a layer of protective ceramic before painting. Its gears employ advanced coating technology to provide long life.
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