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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

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