QHY Color Filter Wheel - Large

Starting Price: $429.00
Price as Configured: $429.00
Brand: QHYCCD / SKU: QHY-CFW3-L (110047)
The QHY CFW3 series filter wheels are available in four sizes to accommodate filters from 1.25-inch to 50 millimeters square.

This product is the Large size.

Model Filter Supported
CFW3XL Slot 1: 9 position 2inch mounted/ 50mm unmounted
Slot 2: 7 position 50mm*50mm square
CFW3L 7 position 2inch mounted/50mm unmounted
CFW3M-SR 5 position 2inch mounted/50mm unmounted
CFW3M-US 7 position 36mm unmounted
CFW3S-SR 7 position 1.25inch mounted/31mm unmounted
CFW3S-US 7 position 1.25inch mounted/31mm unmounted

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About This Product
  • Compatible with all cooled CMOS cameras, QHY CFW3-S-SR, CFW3-S-US, CFW3-L, and OAG-M.
  • Kit includes:
    • 1x 5mm M54 to M48 Adapter
    • 1x 3mm M54 to M42 Adapter
    • 1x QHY 2,5mm 2" Filter Fixer #1932780
    • 1x 4mm M54 Screwed Adapter (original name QHY #020070)
    • 1x Cam Top Adapter (QHY #020063)
    • 1x 0.5mm/1mm/2mm/3mm/7mm/10mm/14mm Spacer
    • 8x 8mm M3 screws
    • 8x 10mm M3 screws
    • 8x 12mm M3 screws
    • 8x 14mm M3 screws
    • 8x 16mm M3 screws
    • 8x 21mm M3 screws
    • 8x 24mm M3 screws
    • 8x 28mm M3 screws
    • 8x 36mm M3 screws
    • 8x 50mm M3 screws
QTY:  
Price as Configured: $429.00

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For filter wheel control, a custom QHY 4-pin filter wheel port is included that provides power and control signals for QHY dual control filter wheels like the series 3 filter wheels. Both the series 2 and new series 3 filter wheels can be controlled by either an independent external program using the filter wheel’s USB port or via the QHY 4-pin serial port. When connected to the QHY 4-pin port there is no need for an additional power cable or control program. All of the filter wheel functions are controlled through the camera and its operating software.

The series 3 filter wheels utilize a new motor with direct drive and will reverse direction to take the shortest path when moving from one filter to another. For example, the wheel can move from filter position 1 to position 2 to position 3 and then back to 1 again, over to position 7 and back to position 1 without ever making a complete rotation of the carousel. This saves time if you’re doing a lot of filter changes in one imaging session.

LED changes color for each filter position. The tricolor LED assigns one unique color or combination of colors to each filter position so you can tell if it’s moved to the correct position without removing it from the telescope.

The CFW3 is also thin. This feature and the short back focus of the COLDMOS cameras means you can add one of several camera lens adapters for Canon and Nikon camera lenses for wide field imaging with the filter wheel.

In the center of the back plate is a 12-volt DC power port. This port is threaded for a short extension cable that is supplied with the camera that securely attaches such that it will not accidentally disconnect while you are imaging.

Dimensions

QHYCFW3-L