Digital Single Lens Reflex Camera（DSLR camera）is high end photographic equipment.
IRIS motor is developed specially for DSLR cameras.
IRIS motor is a combination linear stepper motor, and aperture motor.
Linear stepper motor is for adjusting focal point.
Also it has aperture adjustment function.
With digital signals, the driver can control motor to increase/decrease the size of aperture.
Like human pupil, it adjusts automatically according to ambient light intensity.
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Post time: Dec-19-2022