Sky-Watcher 354 mm tube rings This pair of white aluminium rings secures a telescope tube with an outside diameter matching the rings’ 354 mm internal diameter. The measurement refers to the tube body, rather than the telescope’s optical aperture.
Manufacturer model: Tube rings 354 mm SW0201 · Specifications checked against manufacturer data on 2026-11-04
This pair of white aluminium rings secures a telescope tube with an outside diameter matching the rings’ 354 mm internal diameter. The measurement refers to the tube body, rather than the telescope’s optical aperture.
Mounting and camera attachment
The lower attachment uses M6 × 1 fixings to connect the rings to a suitable dovetail or support. The upper photographic connection uses a 1/4-inch, 20-tpi thread. One ring has a removable piggyback camera adapter; the other provides a female photographic fixing.
Supplied parts and fit
The set includes two rings, two M6 screws and washers. A dovetail rail is separate. Match the rail’s fixing pattern and use appropriate screw engagement.
Additional specifications
Internal diameter (mm)
354
Lower fixing thread
M6 × 1
Upper fixing thread
1/4"-20 photographic thread
Camera attachment
Removable piggyback camera adapter on one ring; female photographic fixing on the other
Included hardware
Two M6 screws and washers
Dovetail included
No
Listed applications
Sky-Watcher Newton 300 PDS and Quattro 300 tubes
SW0201
Data sheet
Colour
White
Material
Aluminium
Quantity
2
Reference
SW0201
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Sky-Watcher 354 mm tube rings This pair of white aluminium rings secures a telescope tube with an outside diameter matching the rings’ 354 mm internal diameter. The measurement refers to the tube body, rather than the telescope’s optical aperture.
Manufacturer model: Tube rings 354 mm SW0201 · Specifications checked against manufacturer data on 2026-11-04
