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ZWO Seestar S30 Desktop
Holiday Schedule: We’ll be taking a short break from December 24th to December 29th to enjoy the holidays. During this time, the store will be closed, no orders will be shipped, and support will be unavailable. Happy Holidays!
Holiday Schedule: We’ll be taking a short break from December 24th to December 29th to enjoy the holidays. During this time, the store will be closed, no orders will be shipped, and support will be unavailable. Happy Holidays!

Additional 10 kg counterweight for the CEM120 mount.This counterweight will fit the following mounts:

  • CEM70/CEM70G
  • GEM45/GEM45G/GEM45EC*
  • iEQ45/iEQ45 Pro
  • CEM60/CEM60EC
  • CEM40, CEM40G, CEM40EC*

* Please check the counterweight shaft diameter.

Weight: 9.5 kg (21 lbs)
Outer diameter: 5.78" (147 mm)
Inner diameter: 1.11” (28.28 mm)
Height: 2.95" (75mm)
Color: Black