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The QHYCCD 3rd-Generation Color Filter Wheel is coming!
2018 / 08 / 03
The QHYCCD 3rd-Generation Color Filter Wheel is coming!

New ultra-thin stepper motor drive and fully automatic filter switching revolutionizes overall performance!
 
 
 
New ultra-thin hyrid stepper motor drive.



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.

The overall design is thinner:
Model
Thickness
Thickness limit of filter *
QHYCFW3S(Thin)
15.5 mm
5.5 mm
QHYCFW3S-SR(Standard)
20 mm
10mm
QHYCFW3M-US(Thin)
17 mm
5.5mm
QHYCFW3M(Standard)
20.5 mm
10mm
QHYCFW3L
21.5 mm
10mm
QHYCFW3XL
21.5 mm
10mm
 *Note:For mounted filter, the thickness excludes the filter thread height.
 
USB serial port switch.

The serial port switch can accommodate fast switching between serial communication mode and USB communication mode.
 
Friction drive with noise reduction.
 
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 greatly reduces noise during operation.  
 
Use the USB port to power the filter wheel.
 
The filter wheel supports the QHY 4-pin connection control mode.  The firmware is open source and compatible with Arduino.  The design is compatible with the QHY-OAG (off-axis guide) for the corresponding size.
 
Beautiful in appearance and ingenious.

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!
 
A specially designed filter carousel allows the installation of unmounted filters of different thicknesses. Mounted Filters below 10 mm thick can be installed and unmounted filters of different thicknesses can also be mounted on the same filter disc. Filter positioning is more precise and faster.
 
 
 
The configuration of the filter wheel includes:
M42 (M) to 2-inch extension ring
400mm oblique ring
M3*6 screw × 6
M4*70mm hand screw × 2
M4*35mm hand screw × 3
M2*4 screw × 30
Φ2*4 red gasket × 60
Φ3*6 red gasket × 30
M2*6×21
M2*3 spiral guide column × 21
Φ3 red gasket × 21
DIN4 to R11 filter wheel cable (optional QHY22, QHY11 series application)
Communication line (optional QHY9 application)
Power splitter (optional QHY9 application)
 
Filter Wheel Specifications:
There are four versions of the 3rd generation QHYCFW3 filter wheel: QHYCFW3XL(ultra large),QHYCFW3L large size, QHYCFW3M Medium size, size and QHYCFW3S Small size. Both QHYCFW3M and QHYCFW3S has the standard version(-SR) and thin version(-US). The specifications for each version are shown in the following table:

QHYCFW3 Specifications
Model
Thickness
Disk Supported
Maxium Filter Thickness*
Weight
QHYCFW3XL
21.5mm
9 position 2inch / 50mm round
7 position 50mm square
10mm
1500g
QHYCFW3L
21.5mm
 7 posiition  2inch / 50mm round
10mm
911g
QHYCFW3M-SR
(standard)
20.5mm
5 position 2inch / 50mm round
7 position 36mm
10mm
 728g
QHYCFW3M-US
(thin)
17mm
5 position 2inch /50mm round 
7 position 36mm
5.5mm
 691g
QHYCFW3S-SR
(standard)
20mm
6 Position 36mm
7 Position 1.25inch
10mm
446g
QHYCFW3S-US
(thin)
15.5mm
6 Position 36mm
7 Position 1.25inch
5.5mm
 419g

*Note:For mounted filter, the thickness excludes the filter thread height.



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