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Explore Scientific 152mm f/8 Carbon Fiber Triplet Refractor Telescope w/ 3" Focuser

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  • $5,599.99
  • Regular price $6,999.99

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  • Aperture: 152 mm (6-inch)
  • Focal Ratio: f/8
  • Focal Length: 1216 mm
  • Explore Scientific 152 mm refractor with carbon fiber optical tube and 3-inch precision dual speed focuser developed by Explore Scientific.



Explore Scientific 152mm f/8 Carbon Fiber Triplet Refractor Telescope w/ 3" Focuser

The Explore Scientific ED152 refractor utilizes a carbon fiber for a lightweight optical tube that resists fluctuations in temperature changes, saving you the annoyance of refocusing making it particularly well suited to astro0photography. Exhibiting beauty and strength, this 5.98-inch OTA weighs just 20.5 pounds. Using genuine Hoya ED glass from Japan, the 152 mm's optics are diffraction limited at 0.25PV or better. Further improved with EMD (Enhanced Multi-Layer Coatings) which are deposited on each of the optical elements, boosting contrast while eliminated light scatter. Matte black knife edge baffles help to ensure light is directed only to your eye or camera enhancing contrast, brightness and color to its maximum performance.

Each Explore Scientific is precision collimated, thoroughly tested and inspected before leaving the factory and rarely if ever need re-collimation. However, to ensure that your 152 mm triplet refractor performs at its absolute best Explore's lens cell design allows for easy collimation at home. Included with the optical tube is a special edition 3-inch rack and pinion focuser with two focus adjustment speeds. Developed by Explore Scientific this focuser is ultra-precise with no backlash. A 2-inch 99-percent reflectivity, dielectric star diagonal with 1.25-inch compression ring eyepiece adapter, and deluxe carry case round out the accessories included with your purchase.


Aperture152 mm (5.98")
Aperture152 mm (6")
Dawes Limit0.76 arcseconds
Dew Shield Size279mm
Focal Length1216 mm
Focal Ratiof/8
Free ShippingYes
Glass TypeHoya ED EMD Coatings
Hightest Magnification304x
Light Gathering Power472x
Limiting Magnitude14.7
ManufacturerExplore Scientific
Optical DesignTriplet
Tube Diameter165mm
Tube Length1041mm
Tube Weight20.5 lbs


  • Explore Scientific ED152 Carbon Fiber Edition f/8 Air Spaced Triplet OTA
  • Hoya FCD-1 w/Removable Dew Shield
  • 1216 mm focal length
  • 3-inch HEX Rack and Pinion Focuser
  • Cradle Ring with Handle and Losmandy “D” Style Dovetail Plate
  • 99-percent Reflective 2-inch Diagonal
  • Deluxe Rolling Carry Case
  • Dew shield diameter: 220 mm
  • Tube Weighs 21 lb
  • (Finder Scope base and Finder Scope are shown for illustrative purposes only, not included)