The LFA-2010 linear focus actuator is a compact motion control positioner developed specifically for optical applications requiring both high-precision and high-speed positioning over a short to medium stroke. The actuator has a 10-mm range of motion with <50-nm positioning repeatability, as well as a small step response of time of <3 ms. The high-force, low-noise voice coil motor typically is configured with an analog position feedback sensor and can be equipped with a 1-µm resolution digital quadrature feedback element. The actuator’s tubular architecture allows the 20-mm clear optical path to go directly through the middle of the motor.
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