Seal the open rear cell of your Sky-Watcher Classic 150P or 200P Dobsonian with this fitted dust cover disk. It straps securely over the back of the tube to keep dust, debris, and insects away from your primary mirror during storage and transport. A simple, durable upgrade for any Dob owner who wants cleaner optics between sessions. 3D printed to order in Canada, available in 150P (6 inch) and 200P (8 inch) sizes.

✅ Designed for Sky-Watcher Classic Dobsonian telescopes
✅ Blocks dust, dirt, and insects from reaching your mirror
✅ Strap-slot design for a snug, secure fit (straps not included)
✅ Durable 3D-printed construction for repeated use
✅ Available in 150P (6″) and 200P (8″) sizes

Keep your optics clean and your telescope ready to observe — whether stored at home or transported to dark skies.