LBTEK Motorized Filter Mount for continuous neutral density filters. The mount utilizes a 10 mm 4-wire 2-phase micro stepper motor with an ultra-compact size, measuring only 18 mm in length and width, making it ideal for use in confined optical paths. Featuring an all-metal reduction gear design, the motor delivers high output torque. Stepper control converts pulse signals into precise angular rotation, ensuring accurate angle control and repeat positioning even in open-loop operation. With high resolution, the unidirectional rotational angular resolution can reach 0.015 degrees.

The LBTEK Stepper Motor Controller, when paired with the motorized filter mounts EM-FPM and CEM-FPM, enables automated adjustment and control. The controller incorporates three independent motor driver chips and provides three motor interfaces for controlling three 4-wire 2-phase stepper motors. Wiring is simple: one data cable connects to the computer, and one power cable supplies power to the motor. With the concise yet comprehensive GUI control software, experiments can be conducted efficiently and quickly. Meanwhile, to facilitate personalized custom experiments, LBTEK provides library functions and example programs written in Python, making it easy to integrate LBTEK devices into an already established system. This product includes: 1 power adapter, 1 data transmission cable, and 1 Stepper Motor Controller.