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Product Overview

Explore Scientific's 127mm f/7.5 telescope is an air-spaced triplet ED APO refractor telescope that utilizes Hoya ED glass. This telescope comes equipped with a 99% dielectric-coated 2-inch diagonal and also includes a 8x50 viewfindermaking it easy while searching for celestial objects. The designers of the Air Spaced Triplet ED Apo Series pursued to produce top-quality refractors with lasting value. The optical solution was to provide atraditional air-spaced design mounted in a rugged, adjustable lens cell. This design, shaped from experienced craftsmanship and polished from genuine HOYA FCD1 (Dense Fluor Crown) ED (Extra-low Dispersion) glass, a critical element to produce images that refractor afficianados know can only be obtained with a high-quality true apochromat. The owner of an Explore Scientific ED Apo will appreciate the attention to detail and the standard hardware which includes a precision 10:1 two-speed focuser, a 2" 99% reflective dielectric diagonal, an 8x50 erect-image, illuminated-reticle viewfinder, and a deluxe case. You can be confident that thequality and construction of these telescopes will allow heavy use for many yearsand are backed with a transferrable Five Year USA Limited Warranty. EMD (Enhanced Multilayer Deposition) Coatings eliminates light scatter and maintains image contrast. Contrast is further enhanced with multiple baffles that mask and deflect unwanted stray light. All Explore Scientific ED Apochromatic Refractor telescopes include a precision Ten-to-One, Dual-Speed Focuser as standard equipment. The eyepiece holder uses acompression ring to prevent the eyepiece or camera barrel from scoring. 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. 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. Provided as standard equipment, Explore Scientific's Two Inch Dielectric Diagonal incorporates a light-weight, one-piece diagonal body that securely cradles the precision polished diagonal flat mirror, insuring precision alignment. Ultra-high reflective coatings (99% reflective) composed of multiple thin layers of dielectric material delivers maximum light output. The Explore Scientific 8x50 produces a wide 6? field of view and allows precision focus of both main objective and eyepiece illuminated reticle. A precision polished roof prism produces images that are right-side-up, left-to-right correct. In other words, things are not upside-down and backwards like most viewfinders.


Manufacturer Explore Scientific
Mfg Part# TED12707500
SKU 214398068
UPC 812257010738
UPC 14 00812257010738
Clear Aperture: 127mm
Coatings: EMD (Enhanced Multilayer Deposition)
Focal Length: 952mm
Focal Ratio: f/7.5
Focuser: Ten-to-One 2-Speed Crayford-Style, with Adjustable Tension and Lock
Limiting Stellar Magnitude: 13
Lowest Useful Visual Power: 14.5x
Maximum Practical Visual Power: 500x
Resolving Power: .9 arc seconds
Saddle Plate: Fits Explore Scientific Mounts; Vixen Mounts; Meade LXD55/75 Mounts
Tube Construction: Aluminum; Stainless Steel
Tube Diameter: 130mm
Viewfinder: 8x50 Straight; Correct Image; Illuminated Reticle; Adjustable Objective and Eyepiece Focus; Dual-Ring, Six-Point, Bracket with Quick Release Shoe
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