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Explore Scientific AR152 f/6.5 Air-Spaced Doublet AR Series™ Achromat Refractor Telescope

Manufacturer Product Number: DAR152065-01

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Availability: In stock

List Price: $1,889.99

Price as configured: $849.99

List Price: $1,889.99

Our Price: $849.99

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Explore Scientific AR152 f/6.5 Air-Spaced Doublet Achromat Refractor

More Views

  • AR Series Objective lens
  • AR Series Focuser
  • AR Series 2" Dielectric Diagonal with 1.25" adapter
  • AR Series 8x50 Finderscope
  • AR Series Universal Mounting Plate

Quick Overview

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










Details

Explore Scientific AR152 f/6.5 Air-Spaced Doublet AR Series™ Achromat Refractor Telescope


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 rigorsof 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, 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 STAR Transferrable Extended Life of the Product 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 DoubletAR Series telescopes include a precision 2-inch two-speed as standard equipment. The eyepiece holder uses a compression ring to prevent the eyepiece or camera barrel from scoring.

 

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 ARSeries, 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.

 

Viewing Comfort and the Preservation of Precious Light
The Two-Inch Dielectric Diagonal includes a 1.25" eyepiece holder adapter and dust covers to protect the 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 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.

 

Both 2" and 1.25" eyepiece holders use compression rings instead of a simple set-screw to more securely hold your valued eyepiece (or imaging device) and to minimize scoring of eyepiece barrels. 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.


All Explore Scientific telescopes and telescope accessories are covered under our standard U.S.A. One Year Limited Warranty against defects with proof of purchase, but you can extend this limited warranty to the Explore STAR Transferrable Extended Life of the Product Warranty by simply filling out the product registration and submitting it in within 60 days. 

 

This program is also available to the person who receives your gift of an Explore Scientific eyepiece. You don't need to give them the purchase receipt, just remind them to fill out the registration, and we'll take care of the rest.

 

 


Technical Specifications and Dimensions:


Optical Design 

  Air-Spaced Doublet Achromatic Refractor

Clear Aperture

  152mm

Focal Length 

  988 mm

 Focal Ratio 

  f/6.5

Maximum Practical Visual 
  Power
 

  600x

Lowest Practical Visual Power

  21.7x

Optical Coating 

  Fully Multi-Coated

 Body 

  Aluminum; Stainless Steel

 Resolving Power 

  0.77 arc seconds

Limiting Stellar Magnitude 

  13.4

Focuser 

  Ten-to-One Dual-Speed Crayford-Style, w/ Adjustable Tension and Lock

Finder Scope 

  8x50 Straight; Adjustable Objective Focus; Dual-Ring, Six-
   Point, Bracket w/Quick Release Shoe

Cradle Saddle Plate 

 Tri Ring Style with Handle- Fits Explore Scientific Mounts; Vixen Mounts; Meade LXD55/75 Mounts

Tube Length 

  41" - 1041.4mm

Tube Diameter 

  6.21" - 157.7mm

Weight (OTA) 

  23.5 lbs; - 10.7 kgs

Warranty 

  U.S.A. One-Year Limited Warranty, Extendable to Explore
  STAR Upon Registration

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