QHYCCD selected a high quality ultra-thin hybrid stepper motor for the 3rd generation filter wheel design. Compared to the PM stepper motor used in many filter wheels, the hybrid stepper motor has higher precision, smaller step angle, and is more expensive. The motor is enclosed to prevent dust from entering the motor, thus improving reliability and motor life. The direction of filter rotation can be reversed: The filter carousel can be rotated clockwise or counterclockwise to complete the rotation quickly which is very convenient.
Regarding the evolution of the motor drive, our 2nd generation filter wheels used a gear drive while this 3rd generation filter wheel uses a friction drive that with zero backlash. It also positions and stops with high precision.
The QHYCFW3 main body is cut from a single piece of aluminum by a precision CNC machine. The craftsmanship and finish are exquisite. When you hold the small design, you do not want to put it down!
There is a switch button on the QHYCFW3. The serial port switch can accommodate fast switching between serial communication mode and USB communication mode.
There are four versions of the 3rd generation QHYCFW3 filter wheel: QHYCFW3XL (extra-large size), QHYCFW3L (large size), QHYCFW3M (medium size), and QHYCFW3S (small size). Both the QHYCFW3M and QHYCFW3S are also available in a standard version (-SR) and thin version (-US). For details, please see the specifications page.
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