Explore Scientific ED127 127mm f/7.5 Carbon Fiber APO Refractor Telescope (OTA Only, 3" Starlight Focuser)

Explore Scientific ED127 127mm f/7.5 Carbon Fiber APO Refractor Telescope (OTA Only, 3" Starlight Focuser)

Explore Scientific ED127 127mm f/7.5 Carbon Fiber APO Refractor Telescope (OTA Only, 3" Starlight Focuser)

B&H # EXED127F753F MFR # EDT-127075-T3-CF-01
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Product Highlights

  • 127mm Aperture Refractor OTA
  • 952mm Focal Length, f/7.5 Focal Ratio
  • Apochromatic Triplet Lens Configuration
  • HOYA Extra Low-Dispersion (ED) Glass
  • Proprietary EMD Enhanced Multi-Coatings
  • Vixen-Style Dovetail Plate
  • Lightweight Carbon Fiber Optical Tube
  • 3" Starlight Feather Touch Focuser
  • 90° Dielectric-Coated Star Diagonal
  • OTA Only: Mount and Tripod Required
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Price:  $2,729.99

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Promotion
  • 1Description

Explore Scientific's ED127 127mm f/7.5 Carbon Fiber APO Refractor Telescope is ideal for lunar, planetary, and deep-sky viewing while still being highly portable for off-the-grid observations. Its form-factor makes it perfect as a convenient grab-and-go option, or set up on a dual-mount rig for astrophotography/astroimaging. Using HOYA extra low-dispersion (ED) glass in an apochromatic triplet lens configuration, with fully multi-coated optics, produces images that are clear and bright without fringing, halos, or distortion across the entire field of view, with true color rendition and high-contrast.

This iteration of the ED127 comes upgraded with a Starlight Instruments Feather Touch 3" dual speed focuser. Replacing the stock 2" focuser provides more light through the drawtube to ensure full coverage of large imaging sensors, allows it to carry heavier imaging rigs without flexing, and enables extremely precise focusing to achieve sharp resolution. Offered here as an OTA-only option for those with reliable support systems, the carbon fiber body resists the expansion and contraction common in metal tubes when moving between extreme temperatures, which can cause the internal lens elements to move out of collimation over time and affecting the scope's ability to achieve sharp focus and cause fringing and halos.

Optical Tube Assembly
  • 127mm aperture
  • f/7.5 focal ratio
  • 952mm focal length
  • Refractor-style optical design
  • Extra low-dispersion (ED) HOYA glass reduces chromatic aberration, which causes halos and fringing, for improved color rendition and contrast
  • Proprietary anti-reflection EMD (Enhanced Multi-coatings) on all optics improve light transmission, color rendition, clarity, and contrast
  • Apochromatic triplet optical design virtually eliminates chromatic aberrations
  • Resolution: 0.91 arc sec, Dawes Limit
  • Carbon fiber optical tube reduces weight without sacrificing strength, and resists the expansion/contraction caused by temperature fluctuations which can cause internal lenses to move out of alignment and affecting image quality and focusing ability
  • Pre-mounted bracket for user-supplied finderscope
Mounting
  • Optical tube assembly (OTA) only: Mount and tripod required for proper use
  • Mounting ring assembly has an integrated handle provide more secure handling during setup and breakdown
  • OTA placement is adjustable on mounting ring assembly for precise balancing, and finderscope and focusing knob orientation
  • Vixen-style dovetail plate is compatible with a variety of mounts
  • Weight: 16.5 pounds
Starlight Instruments Focuser
  • Sturdy rack-and-pinion design allows it to carry heavier eyepieces, accessories, and imaging rigs without flexing
  • Large 3" drawtube ensures full coverage of large imaging sensors, preventing vignetting of view
  • Two-speed mechanism allows for fast coarse, and extremely precise fine focusing to resolve tack-sharp images
  • 1.5" drawtube travel with a 2" extension for applications that require more travel such as when using certain eyepieces or performing prime-focus astrophotography
  • 2" 90° star diagonal places head in comfortable viewing position when OTA is aimed at or near the zenith, dielectric-coated mirror limits light-loss
  • Two reducer adapters to allow the use of 2" and 1.25" eyepieces and accessories
UPC: 812257018727
In the Box
Explore Scientific ED127 127mm f/7.5 Carbon Fiber APO Refractor Telescope (OTA Only, 3" Starlight Focuser)
  • 2" Extension Collar
  • 2" 90° Star Diagonal
  • 3"-2" Reducer Adapter
  • 2"-1.25" Reducer Adapter
  • Limited 1-Year USA Warranty, Extendable to Transferrable Lifetime Warranty with Registration
  • Table of Contents
    • 1Description
    Optical Design Apochromatic triplet refractor
    Aperture 127 mm
    Focal Length 952mm
    Focal Ratio f/7.5
    Eyepiece Barrel Diameter 3" directly into drawtube
    2" or 1.25" with included adapters
    Diagonal 90° star
    2" snout and holder
    Finderscope None
    Tripod None
    Mount Type Vixen-style dovetail
    Optical Tube Dimensions Diameter: 5.7" / 14.6 cm
    Length: 39.0" / 99.1 cm, with dew shield
    Length: 33.25" / 84.4 cm, without dew shield
    Weight 16.5 lb / 7.5 kg
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