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Explore Scientific - 152mm f/6.5 Achromatic Optical Tube Assembly

  • Explore Scientific - 152mm f/6.5 Achromatic Optical Tube Assembly
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$299.00
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Product Description

 Explore Scientific 152mm f/6.5 Achromatic RefractorCharlie Bates Solar Endorcement

Explore Air-Spaced Doublet Refractor Highlights…

  • Available in 102mm, 127mm & 152mm apertures. All models are f/6.5.
  • The tube assembly is constructed from aluminum and stainless steel and painted gloss white.
  • Classic Air-Spaced Doublet achromat optics made with Crown & Flint glass
  • Research-grade, diffraction limited optics.
  • Enhanced Multi-Layer Coatings (EMD) are deposited on optical elements to boost contrast and eliminate light scatter.
  • While refractors seldom require additional collimation after initial factory adjustment, the lens cell design allows for consumer collimation. Sending off to the factory is an option, but is not required.
  • All models come with a heavy-duty 2" Crayford-style two-speed focuser.
  • The heavy-duty 2" diagonal has 99% dielectric coatings for high contrast, bright images. A 1.25" compression ring adapter is included.
  • Includes an 8x50 straight-thru finderscope with a wide 6° field of view. The front objective is focusable.
  • To attach your Explore Scientific Air-Spaced Doublet telescope to a variety of mounts, we have included an extra strong extruded aluminum Cradle Ring Assembly and Universal Adjustable Mounting Plate. The "Vixen-style" plate fits mounts made by Explore, Meade, Celestron, Vixen & others. 

The AR152 (six-inch), with its larger aperture optics gathers 44% more light over the AR127 (five-inch) model, providing much brighter images and higher resolution. Our goal was to provide an extreme value by providing true diffraction-limited optics at a price that will allow more people to explore the sky with a wide-field large aperture refractor. Images of deep sky objects are stunning at low powers. At high power the moon and the planets are revealed in sharp, high contrast.

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 2-inch 99% reflective, dielectric-coated mirror diagonal, 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 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 Two-Speed Focuser

The Explore Scientific Air-Spaced Doublet AR Series telescopes include a precision 2-inch, two-speed focuser 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, 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 152 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-Inch 99% Reflective Dielectric-Coated Diagonal Mirror

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, 99% Reflective, Dielectric-Coated 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.

BUT WAIT!!

 FULLY TRANSFERRABLE, UNLIMITED FOREVER WARRANTY!

EXPLORE SCIENTIFIC branded products are under warranty forever, and this warranty is transferrable from owner-to-owner as long as the product is registered with EXPLORE SCIENTIFIC.

This Transferrable Unlimited Lifetime Warranty covers any problem no matter what the cause. In addition, this new warranty supersedes and is retroactive for EXPLORE SCIENTIFIC branded products that are already serving in the field, provided they are registered with us.

 

 

Name

Explore Scientific - 152mm f/6.5 Achromatic Optical Tube Assembly
Manufacturer Explore Scientific
Model EXP-DAR15206501
UPC 812257011032
Manufacturer Part # EXP-DAR152065-01
Telescope Aperture 5.1" - 6"
Focal Length 988mm
Focal Ratio f/6.5
Limiting Stellar Magnitude 13.4
Optical tube diameter 158mm
Optical Tube Length 41" with dew shield
Resolution .77 arcsec

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