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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!

iOptron’s 150mm (approx. 6") f/4 Newtonian optical tube assembly (OTA) with a fast F/4 focal ratio is perfect for imaging deep-sky objects with a DSLR or dedicated astronomy camera. The 2" Crayford-style focuser, dual split-hinged mounting rings, an 8x50 straight-through finder, and an 8" Vixen style dovetail plate make it ready to attach to your mount and start using.

  • Dual speed 2" Crayford-style focuser with 1.5" adapter iEAF ready
  • BK7 optical glass primary mirror with a protective quartz layer
  • 8 x50mm finder scope
  • 8" Vixen style dovetail plate with solid full circumference mounting rings
  • Front dust cap
  • Optional iOptron iEAF Focuser (#8453)
Optical Design Newtonian
Clear Aperture 150mm
Focal Length 600mm
Focal Ratio f/4
Focuser Dual speed Crayford-style
OTA Length 22 inches
Outside diameter 7 inches
OTA weight 9lb. 10oz
Extension tube 2" diameter 35mm L
Warranty One year limited