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QHY CFW3 Small Color Filter Wheel - 1.25" or 31 mm 7 Position - Standard Thickness with LRGB Filters (Used)

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QHYCCD CFW3S filter wheel, for 7 filters 31,8mm diameter, motorized and with USB connection to computer. If you are using a monochrome camera for astrophotography, in order to record color images you will need to use filters like the LRGB Sets or narrow-band filters such as H-alpha, O -III or S-II. For this application it's very useful to use a motorized filter wheel, controlled directly by the computer: controlled by an appropriate software, the QHYCCD CFW3S motorized filter wheel can move precisely and quickly the filters in front of your camera without introducing vibrations.

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QHY 3rd Generation S Color Filter Wheel - Standard Thickness
with 7 Position CFW3S for 31 mm or 1.25" Filters

QHY is introducing a revolutionary new 3rd generation filter wheel featuring an ultra-thin stepper motor drive and fully automatic filter switching capability. This particular model measures 20 mm in thickness and accepts up to seven 31 mm or 1.25" filters. Since this is the standard version of the small QHYCFW3, maximum thickness for mounted filters, excluding filter thread height, is 10 mm. Learn more about the QHYCFW3 Filter Wheel and its impressive features in the comprehensive video below!

Ultra-Thin Hybrid Stepper Motor Drive

QHYCCD has chosen to use an ultra-thin, high-quality hybrid stepper motor for the design of their third generation filter wheels. When compared to PM stepper motors used in many filter wheels, this hybrid stepper motor offers improved precision and a smaller step angle. An enclosed motor prevents the accumulation of dust for enhanced reliability and longer life. In addition, as filter rotation is reversible, the carousel can be rotated clockwise as well as counterclockwise for convenient filter access.

Friction Drive with Zero Backlash

The most innovative difference between the motor drive used in QHYCCD's 2nd generation filter wheels and these 3rd generation filter wheels is that this new filter wheel uses a friction drive for zero backlash during operation, while the previous model used a gear drive.

USB Serial Port Switch

Incorporates a serial port switch to enable fast shifting between serial and USB communication modes.

USB Powered

This filter wheel's firmware is open source and compatible with Arduino. It supports QHY 4-pin connection control mode and is designed to be compatible with QHY's Off-Axis Guider (OAG) for the corresponding size.

Beautiful Appearance

The main body of this QHYCCD 3rd generation color filter wheel is cut from a single precision CNC machined piece of aluminum. It boasts a skillfully crafted and elegant finish. As soon as you hold this filter wheel in your hands, its small design will prevent you from ever wanting to put it down!

Specifically designed to allow unmounted filters of varying thicknesses to be installed, the filter carousel in this small model QHY color filter wheel standard version also permits the installation of mounted filters under 10 mm in thickness to the same filter disc. Filter positioning is made quicker and more accurate.

Please Note : Image shows two separate versions of the QHYCFW3 filter wheel. If you purchase this item, you will receive only the 7 position wheel.

SKU Number
Model Number
Filter Wheel Product Type
Electronic Filter Wheel
Filter Wheels by Filter Size
1.25" or 31mm
Number of Filter Positions
Back Focus Consumption
20 mm
Power Source
Threaded or Drop-In
Thread-In Filters
  • QHY 3rd Generation Small Color Filter Wheel with 7 Positions for 1.25" Filters - Standard Thickness
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انت تقيم:QHY CFW3 Small Color Filter Wheel - 1.25" or 31 mm 7 Position - Standard Thickness with LRGB Filters (Used)
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QHY CFW3 Small Color Filter Wheel - 1.25" or 31 mm 7 Position - Standard Thickness with LRGB Filters (Used)

KD 99.00