Explore Scientific AR102 f/6.5 Air-Spaced Doublet Achromat Refractor Telescope

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Explore Scientific AR102 f/6.5 Air-Spaced Doublet Achromat Refractor Telescope

Regular Price: $399.99

Special Price $319.99

Item # ES-DAR102065-01
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  • The Explore Scientific AR102 f/6.5 Air-Spaced Doublet Achromat Refractor Telescope is a classic air-spaced, crown-and-flint, doublet achromatic refractor with a superior-class optical figure in a short focal length design.
  • Package includes a precision two-speed focuser, a 99% Reflective 2-inch Diagonal Mirror, and an 8x50 Finder Scope.
  • The Explore Scientific AR102 f/6.5 Air-Spaced Doublet Achromat Refractor Telescope incorporates a collimatable lens cell that is fully multi-coated to eliminate light scatter and maintain image contrast.
  • Contrast is further enhanced with multiple baffles that mask and deflect unwanted stray light.
Description

Details

Explore Scientific AR102 f/6.5 Air-Spaced Doublet Achromat Refractor Telescope

This addition to the Air-Spaced Doublet AR Series is the very portable, grab-and-go 102mm!

Like its two larger brothers, the AR127, and the AR152, these are classic air-spaced, crown-and-flint, doublet achromatic refractors with superior-class optical figure, in a short (f/6.5) focal length design. 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 two-speed focuser, a 99% Reflective 2-inch Diagonal Mirror, dewshield , and an 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 the Explore Scientific Lifetime 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 Two-Speed Focuser...

The Explore Scientific Air-Spaced Doublet AR Series telescopes include a precision 2-inch two-speed as standard equipment.

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 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 102 fits on many popular equatorial and Altaz mounts, including mounts supplied by Explore Scientific, Celestron, Vixen, and others. Instead of using a cast metal part, Explore Scientific's Universal Mounting Plate is made from extruded aluminum for added strength, it is after all 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.

Viewing Comfort and the Preservation of Precious Light...

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 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.

You can thread standard 48mm filters into the barrel. 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.

Explore Scientific Product Number: DAR102065-0

Additional Information

Additional Information

SKU ES-DAR102065-01
UPC Code 812257010080
Manufacturer Explore Scientific
Telescope Series Explore Double Achro
Optical Design Refractor - Achromatic
Mount Type None - Optical Tube Only
Warranty Lifetime Warranty
Telescope Aperture 4"
Telescope Focal Length 663mm
Telescope Focal Ratio f/6.5
Highest Useful Magnification Not supplied by manufacturer
Limiting Stellar Magnitude 12.5
Optical Coatings Explore EMD
Tube Color or Finish Gloss White
Optical Tube Outer Diameter 100.7mm
Length of Optical Tube 25.5"
Optical Tube Weight Not supplied by manufacturer
Mount Weight N/A
Total Telescope Weight 11.3 lbs
Dew Shield Included? Yes
OTA Mount Type Dual Rings
Finder Included 8 x 50 Optical Finder
Diagonal Included? Yes - 2" Star Diagonal
Eyepiece(s) Included None
Tripod Type Included None, Sold Separately
Reviews

Customer Reviews 1 item(s)

Blue
Purchased the Explore Scientific 102mm 4 AR Achro. about month ago as a grab and go scope...I do own TMB 100mm 4 APO / TMB 80mm signature series 3.1 APO both absolutely superb optical instruments ..
For star parties....public outreach how can you go wrong...didn't expect much as to performance..
How wrong I was....the optical quality stunned me...planetary, deep sky, lunar , double stars , were first rate...sharp superb contrast delivered ....Saturn was spectacular with incredible ring and planetary detail...it was showed it's metal with lunar views....Venus was stunning...
Yes some colour aberration as to be expected but minor and very acceptable...This scope can be used right out of the box..no OTA here ....dielectric 2 diagonal... Finder scope..tube rings...handle....how can you ever go wrong for the price.....

Rings

1= Houston, We Have a Problem & 5= It's Out of This World
Review by / (Posted on 8/3/2012)
Included Items

Included Items

  • Explore Scientific AR102 f/6.5 Air-Spaced Doublet Achromat Refractor Telescope
  • Cradle Rings with Handle and Univsersal Saddle Plate
  • Two-Speed Focuser 2.0" I.D.
  • 8x50 Finder Scope
  • Dewshield
  • Dielectric-Coated 99% Reflective 2.0" Mirror Diagonal with 1.25 " Adapter
Questions & Answers

Product Questions

Can I mount a celestron RACI finderscope to this telescope using the existing brackets? Thanks.
1
Can I mount this telescope on an ordinary photography tripod?
-3
Can the finder be converted to a RACI?  Is there an illuminated reticle eyepiece available for finder?
-5
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