Dual-Wheel 1-Inch Filter Wheel With SM1 Threaded Interface, Coaxial Rotatable 6-Position Filter Holder For Telescopes, Quick-Change 1-Inch Filters, Ideal For Planetary, Moon, And Nebula Astrophotography
✔️ 6-position dual-wheel, accepts 1-inch filters up to 4mm thick
This compact, coaxial filter wheel is designed for astronomy and optical research, letting you swap 1-inch filters quickly for planetary, lunar, and nebula imaging. It’s compact, rugged, and easy to mount on telescopes or lab rigs.
✅ Size: 92.0 x 38.0 x 94.3 mm (3.62 x 1.50 x 3.71 in)
✅ Material: aluminum alloy, black finish
✅ Interface: SM1 internal threading (1.035-40) for 25 mm / 1-inch filters up to 4 mm thick (0.157 in)
✅ Rotation: manual clockwise and counterclockwise, with precise 1-6 engravings
✅ Mounting: M6 holes and 19 mm adjustment slots
✅ Filter capacity: 6 on each wheel, total up to 12 filters
💡 What is a filter wheel used for in telescope imaging and why choose SM1-threaded units? This handy device keeps multiple 1-inch filters ready for quick changes during sessions.
Handy for fast, repeatable filter changes in astrophotography. - Keeps 1-inch filters organized for quick switching - Compatible with SM1 threaded optics and filters up to 4 mm thick - Reduces downtime during planetary, lunar, and nebula imaging
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