Explore Scientific 127mm f/6.5 Refractor OTA Doublet Air-Spaced Achromat Refractor, With Tube Rings.

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List Price: $1,333.31

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About Explore Scientific 127 Refractor

The Explore Scientific's 127mm f/6.5 telescope is an air-spaced doublet achromatic refracting telescope that utilizes EMD (Enhanced Multilayer Deposition) coatings which eliminates light scatter and maintains image contrast.

Explore Scientific 127 Refractor Features

  • The 127mm f/6.5 telescope from Explore Scientific is a air-spaced doublet achromatic refractor with multi-coatings.
  • Each Explore Scientific refractor is rigorously tested before it leaves the factory. Tests include visual inspection as well as interferometric computer evaluation.

Explore Scientific 127 Refractor Specifications

Optical Design
AR127 f/6.5 Air-Spaced Doublet Achromat Refractor using crown-and-flint glass.
Clear Aperture
Focal Ratio
Resolving Power
.9 arc seconds
EMD (Enhanced Multilayer Deposition) Coatings
Limiting Stellar Magnitude
Maximum Practical Visual Power
Lowest Useful Visual Power
Ten-to-One Dual-Speed Crayford-Style, w/ Adjustable Tension and Lock
8x50 Straight; Correct Image; Illuminated Reticle; Adjustable Objective and Eyepiece Focus; Dual-Ring, Six-Point, Bracket w/Quick Release Shoe
Cradle/Saddle Plate
Dual Ring Style - Fits Explore Scientific Mounts; Vixen Mounts; Meade LXD55/75 Mounts
Tube Diameter
Tube Construction
Aluminum; Stainless Steel
Optical Tube Assembly Weight
15 lbs, 6.8 kgs. (with all standard accessories)
Explore Scientific 1 year limited warranty

Explore Scientific 127 Refractor Reviews

Reviewed by 1 customers

(1 of 1 customers found this review helpful)


achromatic is not apo


from jupiter, FL  -  Casual/ Recreational

Too much chromatic aberration. What did I expect? To be more descriptive ... I only looked at Jupiter. There was a purple glow around the planet ... as large as the planet. The detail on the planet surface was excellent ...and on par with my skywatcher 120ED, but the aberration was just too annoying. This is a good looking scope and the quality is nice, except for the focuser which is terrible. Even the lock screws couldn't keep the fine focus from slipping.

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