Comes Standard with 2" Nosepiece and 42 mm male on camera side. M54 to 42F adapter (photo on right) is also available for direct connect to M42 threaded accessories.

QHY Colour Filter Wheel

This 5-slotted filter wheel can hold filters up to 50.8 mm in diameter. It is one of the thinnest filter wheels available, preserving precious backfocus and keeping it light weight. It works with all CCD cameras up to and including the full 35 mm format QHY11. Fully automated with stepper control. Perfect for automated sequenced imaging.

Main Features
Step motor driven
Support 2-inch 5 position mounted filters
Support unmounted filters up to D=50.8mm
Only 18.5mm thick
M54/0.75 screws, support 35mm full size CCD
High presion linear magic sensor for initial position
Standard RS232 interface
Optic communication to QHY CCD camera
Supports ASCOM
Changeable wheel
12V DC in and output; Output can be used for focus motors
Only 370g

FILTER WHEEL ADDS 25.5 mm to in focus requirement with optional low profile 54m42f adapter.