Explore Scientific 127mm Air-Spaced ED APO f/7.5 Triplet Refracting OTA Telescope

ITEM #
ES-ED127075-03
  • Sale
  • Regular price $1,549.99
  • Explore Scientific 127mm Air-Spaced ED APO f/7.5 Triplet Refracting OTA Telescope

    • Sale
    • Regular price $1,549.99
    • ITEM #
      ES-ED127075-03

    0
    Free Shipping
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    • Aperture: 127mm (5")
    • Focal Ratio: f/7.5
    • Focal Length: 952
    • Excellent value for an excellent refractor

    Explore Scientific 127mm Air-Spaced ED APO f/7.5 Triplet Refracting OTA Telescope

    Why chose a refractor telescope for astronomy? One of the bonuses of ownership of a refractor is that, compared to standard reflector telescopes, they almost never require re-aligning of the optics (collimation). However, any telescope that is subjected to shock may require optical alignment. One bonus of owning a refractor is that, compared to standard reflector telescopes, they almost never require re-aligning of optics (collimation). However, any telescope that is subjected to shock may require optical alignment. Removing the dew shield, you can access the alignment screws, which you can adjust yourself by referring to the instructions. You can also send it to Explore Scientific's Service Center for alignment. A standard service charge applies. But why worry? At Explore Telescopes, they precision collimate every Explore Scientific telescope at the factory to give optimum performance. Although you may never need to adjust optical alignment, their ED APOs allow for optical centering to collimate the lens elements should the telescope ever require it. That's a bonus over fixed models.

    The Explore Scientific 127mm f/7.5 ED APO Refractor Telescope is one of the most innovative ideas in high quality apochromatic designs. Beginning with a tube fashioned from aluminum and stainless steel, the difference begins with what goes inside - technology. Explore Scientific uses ED (Extra-low Dispersion) FCD1 (Dense Fluor Crown) glass developed by Hoya Optical of Japan to enable the production of lenses that offer superior sharpness and color correction by minimizing the color dispersion (chromatic aberration, or the "false" color fringing seen around bright objects that happens when light rays pass through standard crown-and-flint doublet objectives). This glass type offers a more durable and long lasting solution to produce an optic to minimize chromatic aberration over delicate fluorite crystal objectives that are prone to fracturing and absorbing moisture. What's more, these true air-spaced apochromatic triplets have all the refinements like EMD (Enhanced Multilayer Deposition) coatings, which absolutely eliminates light scatter and maintains image contrast. Contrast is further enhanced with multiple baffles that mask and deflect unwanted stray light.

    So, now we've set the scene... Here's a mechanically perfected set of optics but the next step is how to hold them in place so they can be used. What's Explore Telescope's answer? Make it so chances are you already have what it takes to mount an Explore Scientific 127mm f/7.5 ED APO Refractor Telescope already in your fleet - or to offer a high quality mount which will become an asset to your hobby. You can mount the ED 127 to many popular equatorial and Altaz mounts, including Explore Scientific's new TwiLight I and TwiLight II Altazimuth Mounts. Photographers, who are looking for super high resolution optics, can mount the optical tube assembly to their existing medium-duty camera tripod. A release knob allows the tube assembly to rotate so that the camera can be positioned at any angle. The Universal Adjustable Mounting Plate of the ED 127 fits on mounts supplied by Explore Scientific, Vixen, and Meade LXD55/75. It also attaches to photo tripods with standard USA or European thread attaching knobs.

    Explore Scientific 127mm f/7.5 ED APO Refractor Telescope Features
    • Included Saddle Plate Fits Explore Scientific Mounts; Vixen Mounts; Meade LXD55/75 Mounts
    • Tube Weight with Standard Accessories: 15 lbs - 6.8 kgs.
    • Rack and Pinion Focuser
    • Two Inch Dielectric Diagonal
    • Dew Shield
    • Superior Hoya ED Optical Glass and EMD (Enhanced Multilayer Deposition) Coatings

     

    OPT Product Number: ES-ED127075-03

    Specifications

    Aperture127 mm (5")
    Dew Shield IncludedYes
    Diagonal Included 2" Star Diagonal
    Focal Ratiof/7.5
    Focuser StyleRack & Pinion
    Free ShippingYes
    ManufacturerExplore Scientific
    Mount Type OTA Only
    Optical DesignTriplet
    OTA Length34"
    OTA Mount TypeDual Rings
    OTA Outer Diameter130.4mm
    OTA Weight22 lb.
    Telescope SeriesExplore Triplet ED
    WarrantyLifetime Warranty
    • ED 127 Optical Tube Assembly
    • 2" Diagonal
    • Dew Shield
    • Cradle Rings w/ Handle
    • Rack and Pinion Focuser
    • Vixen-Style Dovetail

    Customer Reviews

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    Questions & Answers

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    • Does the 2-speed focuser on the 127mm ED APO rotate?

      No, the standard 2" 2-speed crayford focuser on the 127mm Apo does not rotate. The diagonal or camera can be rotated at the compression ring connection at the rear, but in order to rotate the focusing knobs you would need to rotate the telescope tube in t

    • Does the 2-speed focuser on the 127mm ED APO rotate?

      The latest version has a 2" 2-speed rack-and-pinion focuser which does rotate.

    • Does the "saddle plate" fir iOptron mounts?

      The "saddle plate" or dovetail that comes with this scope is a V series and will fit most larger iOptron mounts with a dual D (3" wide) and V (~1.7" wide) saddle or a standard V saddle.

    • Is shipping to the Netherlands possible ?

      Hello, Yes OPT ships all over the world. The scope would ship UPS. Just call or go online to place your order.

    • Is this compatible with a Celestron C-8 scope?

      Yes, this mount will work as long as your C8 has a V-style dovetail on one side to attach to the clamp on the SE mount.