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Explore Scientific AR127 f/6.5 Air-Spaced Doublet Achromatic Refractor Telescope

Item# EXP007
 
5.0

(4 Ratings)

Customer Q & A

Price:

$699.99

List Price: $979.99
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  • 127mm f/6.5 Doublet Achromatic Refractor
  • Removable Dew Shield
  • 10:1 Dual Speed Focuser
  • 8x50 Finderscope and 2" Diagonal
Details & Dimensions
Guarantee & Returns

Description

Explore Scientific AR127 f/6.5 Air-Spaced Doublet Achromat Refractor


 

The classic air-spaced, crown-and-flint, doublet achromatic refractor is reborn with the aim to produce superior-class optical figure in a short (f/6.5) focal length design with Explore Scientific Air-Spaced Doublet AR Series. These optics are an extreme value, produce stunning images of deep sky objects, double stars, planets, and the moon that are a small fraction of the price of comparable aperture apochromat refractors. Finally one can own a diffraction-limited high quality refractor for a relatively modest investment.

 

Designed to handle the rigors of public star parties and educational outreach, the Explore Scientific AR Series has standard hardware which includes a precision 10:1 two-speed focuser, a 2-inch diagonal, and 8x50 finder scope. You can be confident that the quality and construction of these telescopes will allow heavy use for many years and are backed with a transferrable Five Year USA Limited Warranty.


 

It's All About the Optics!


 

The optics in their collimatable lens cell are fully multi-coated to eliminate light scatter and maintain image contrast. We precision collimate every Explore Scientific telescope at our factory to give optimum performance. Although you may never need to adjust optical alignment, the AR Series allows for collimating the lens set should the telescope ever require it.

 

Contrast is further enhanced with multiple baffles that mask and deflect unwanted stray light.

 

Deluxe 10:1 Two-Speed Focuser

 

The Explore Scientific Air-Spaced Doublet AR Series telescopes include a precision 2-inch ten-to-one, two-speed as standard equipment. The eyepiece holder uses a compression ring to prevent the eyepiece or camera barrel from scoring.


On those prestine nights of steady seeing, Saturn's Rings can forever affect the hearts and minds of almost anyone who lays eyes on them. It's nights like these that astronomers like to set up their refractors and push the magnification to the limits, not only to see the magnificence of the planet at greater scale but to really test the optical and mechanical quality of the telescope.

 

Many telescopes are only supplied with a standard single-speed focuser, you will find that a tiny nudge will throw out focus and turn your night into one of frustration.

 

So we included as standard equipment, on all Explore Scientific AR Series, a ten-to-one, two-speed Crayford-style precision focuser with tension adjustment and lock to obtain and hold perfect focus. We think you'll agree that such precision is worth it.

 

Universal Mounting Plate


 

The Universal Adjustable Mounting Plate of the AR 127 fits on many popular equatorial and Altaz mounts, including mounts supplied by Explore Scientific, Vixen, and Meade LXD55/75.


Instead of using a cast metal part, Explore Scientific's Universal Mounting Plate is made from extruded aluminum for added strength, it is afterall what secures your telescope to the mount. We also include adjustment screws and locking bolts to allow adjustments to position the angle of the telescope when it is placed on its mount, an important feature when using an equatorial mount.


 

2" Diagonal Mirror


 

The Two Inch Mirror Diagonal includes a 1.25" eyepiece holder adapter.


The purpose of a diagonal is to securely hold your eyepiece and to give you a comfortable viewing angle.

Provided as standard equipment, Explore Scientific's Two Inch Diagonal incorporates a light-weight, one-piece diagonal body that securely cradles the precision polished diagonal flat mirror, insuring precision alignment.

 

8x50 Finder Scope


 

The Explore Scientific 8x50 Finder Scope provides a true field of view of 6°. Its coated optics provide a bright high-resolution image so that many faint stars and nebulosity can be detected for precise aiming.


The front objective can be custom focused to provide a sharp image every time.

Supplier Sku:
DAR127065-01
Shipping Restrictions:
Only ships in contiguous USA.

Dimensions & Specifications

Weight

15 lbs.

Recommended Usage

Astrophotography

Brand

Explore Scientific

Finderscope

8x50

Telescopes Series

Explore Scientific Telescope Optical Tubes

Optical Design

Refractor

Aperture

127mm

Focal Length

825mm

Focal Ratio

f/6.5

Highest Useful Magnification

500x

User Level

For the Expert

Component

.9 Resolving Power , 13 Limiting Magnitude

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The Perfect Accessories

Customer Reviews

REVIEW SNAPSHOT®

by PowerReviews
Explore Scientific AR127 f/6.5 Air-Spaced Doublet Achromatic Refractor Telescope
 
5.0

(based on 4 reviews)

Ratings Distribution

  • 5 Stars

     

    (4)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to use (4)
  • Strong construction (4)
  • Quality lenses (3)

Cons

    Best Uses

    • Astronomy (4)
      • Was this a gift?:
      • No (4)

    Reviewed by 4 customers

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    Displaying reviews 1-4

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    5.0

    Great scope...

    By Dean

    from Denison TX

    Verified Buyer

    Pros

    • Accurate
    • Easy to Use
    • Quality Lenses
    • Strong Construction

    Cons

    • On Cg5 Mounta Bit Heavy
    • On Cg5 Mounta Bit Heavyl
    • On Cg5 Mount Its Heavy

    Best Uses

    • Astronomy

    Comments about Explore Scientific AR127 f/6.5 Air-Spaced Doublet Achromatic Refractor Telescope:

    Made very well with quality materials. Fit and finish are outstanding. I attached to a CG5 goto mount and took to the backyard to see the skies. Optics were clear with very little CA. As it seems with most new scopes,skies have been hazy, cloudy, overcast, rainy etc. for a week or more. Looking for more favorable weather.

    • Was this a gift?:
    • No

    (8 of 8 customers found this review helpful)

     
    5.0

    Explore Scientific AR127 f/6.5 Refractor

    By Space Ace Russ

    from The Valley of the Sun (Phoenix) AZ

    About Me Casual/ Recreational

    Verified Reviewer

    Pros

    • Easy To Use
    • Great Optics
    • Strong Construction

    Cons

    • No More Carrying Case

    Best Uses

    • Astronomy

    Comments about Explore Scientific AR127 f/6.5 Air-Spaced Doublet Achromatic Refractor Telescope:

    This refractor is what all scope addicts crave. No matter what you own now or have owned - THIS one is going to be your 'keeper'. You'll not want to ever sell it! Alvin Clark would put it through his tests and want it! He would approve.

    I've had great refractors like the Unitron 4" and D&G 6" refractors, both F-15 models. The Unitron - yeah,I should never have let it go. But at the time I simply had no way to transport it and keep it with me as I went across the country. And the D&G was excellent but just a monster that overwhelmed my small observatory. I had a 12" sct also and well, the 6" had to go. But I never lost the taste of and for that great refractor image!

    Enter this beauty.. and the rest is history.

    You can read about this telescope at Cloudy nights.

    • Was this a gift?:
    • No

    (6 of 6 customers found this review helpful)

     
    5.0

    Review of ES AR 127

    By Stano

    from Denver, CO

    About Me Casual/ Recreational

    Pros

    • Easy to Use
    • Quality Lenses
    • Strong Construction

    Cons

      Best Uses

      • Astronomy

      Comments about Explore Scientific AR127 f/6.5 Air-Spaced Doublet Achromatic Refractor Telescope:

      I purchased this scope after I returned the much larger and heavier ES AR 152. The AR 152, an unwieldly beast, was beyond the portable size, IMO (even my 9.25" SCT is easier to handle). The ES AR 127, on the other hand, is still reasonably portable, 7 pounds lighter, a few inches shorter, and much easier to mount and it still has a very respectable five inches of clear aperture. The optics are excellent, not an ED or APO, but still impressive. CA is not much of an issue. A little CA around the Moon and Jupiter, but still very well controlled.This is the best achromat that I have owned since I sold my Vixen 102 F/10 (a beautiful refractor but with a very long focal length). The well controlled CA with this F/6.5 achromat is amazing! My only "con" is with the focuser, which is fairly good but not great, but for the money this refractor is a great deal, one of the best values in the market today. The ES AR 127 is an excellent telescope, especially for people on a budget who can't afford the much more expensive 5 inch APO models. Explore Scientific created a real winner here!

      • Was this a gift?:
      • No

      (9 of 9 customers found this review helpful)

       
      5.0

      Quick first light with ES AR127

      By carnevali

      from Ewing, KY

      About Me Professional Guide

      Verified Buyer

      Pros

      • Compact
      • Easy to Use
      • Lightweight
      • Quality Lenses
      • Strong Construction

      Cons

      • Expected CA

      Best Uses

      • Astronomy
      • Globular Clusters
      • Open clusters
      • Others

      Comments about Explore Scientific AR127 f/6.5 Air-Spaced Doublet Achromatic Refractor Telescope:

      Although I have a number of telescopes, this is my first achromatic. First impression is that the quality for the price is excellent, and Hayneedle added to that by offering a lower price than anybody else.[...]. The scope looks very good and it's reasonably light at around 16 lbs or so. I only managed a short first session and wanted to see right away how bad the CA was, so I looked mostly at the full Moon with various eyepieces and pushing the magnification a bit - up to about 200x. There was a definite bright yellow border, occasionally purple, but it was thin and did not go all the way around; I noticed that the colored border was more or less visible depending on the placement of the eye on the eyepiece. Better quality eyepieces (such as Nagler 5mm) seemed to help control the CA, but with just any eyepiece the views even in this worst case scenario didn't strike me as unbearable. I expected worse, so I am pleased. Other views were very sharp, moon's features, pinpoint stars and no visible halo on Jupiter (not very sharp because low on the horizon). Polaris B was readily visible, which is pretty good for a 5" aperture with a full moon out. Clouds came in ..... so that was it for now. Of course this telescope doesn't give the color-free views of the lunar limb as my Vixen ED115S, but it costs 1/6 as much, it's got more aperture, and it's more compact. So far I'm very pleased with it and would recommend it, and Hayneedle currently has the best price for it too.

      • Was this a gift?:
      • No

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