Explore Scientific AR102 102mm Achromatic Refractor Telescope (OTA only)

Explore Scientific AR102 102mm Achromatic Refractor Telescope (OTA only)

Explore Scientific AR102 102mm Achromatic Refractor Telescope (OTA only)

B&H # EXDAR1020650 MFR # DAR102065-01
Explore Scientific AR102 102mm Achromatic Refractor Telescope (OTA only)

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Product Highlights

  • 102mm Aperture
  • 663mm Focal Length, f/6.5 Focal Ratio
  • Achromatic Doublet Lens System
  • 2" Dual-Speed Crayford-Style Focuser
  • One-Piece Dielectric 90° Diagonal
  • Vixen-Style Dovetail Mounting Plate
  • Mounting Cradle-Ring with Handle
  • 8x50 Finderscope
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Price: $399.99

Instant Savings: $80.00

$0.00 Tax Collected Outside NY

You Pay:  $319.99

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  • 1Description

The AR102 102mm Achromatic Refractor Telescope from Explore Scientific features a doublet achromatic lens system which virtually eliminates chromatic and spherical aberrations. This translates to a distortion-free viewing experience with true color rendition across the entire field of view.

The scope uses a heavy-duty 2" Crayford-style focuser. Unlike a traditional rack-and-pinion focuser, a Crayford-style uses a steel rod held tightly against the focus tube. This toothless friction system eliminates backlash and enables ultra-fine precision focusing. The combination of aberration-free optics, precision focusing and a fast f/6.5 focal ratio make this telescope ideally suited for wide-field astrophotography and astroimaging.

A mounting cradle-ring clamps over optical tube assembly (OTA). This lets the user adjust the orientation and position of the scope relative to the mount to optimize viewing comfort and balancing, while avoiding interference with other equipment. The scope is offered without a mount or tripod, but a Vixen-style dovetail plate makes it compatible with any alt-az or equatorial mount with a Vixen-style saddle.

Optical Performance
  • Aperture: 102mm
  • Focal ratio: f/6.5
  • Focal length: 663mm
  • Refractor-style optical design
  • Low dispersion achromatic doublet lens system
  • Achromatic lenses eliminate chromatic and spherical aberrations for true color rendition and without distortion across the entire field of view
  • 8x50 non-illuminated finderscope with quick-release bracket
Focuser
  • 2" diameter focuser
  • Dual-speed Crayford-style
  • Crayford focusers use a toothless friction system that allows for super-fine precision focusing without backlash
Mount
  • User-supplied mount and tripod required
  • Vixen-style dovetail plate included
  • Compatible with any alt-az or equatorial mount with a Vixen-style saddle
  • Cradle-ring assembly for plate allows the scope orientation to be changed based on mount configuration
  • Integrated carry handle on cradle-ring assembly
Diagonal
  • One-piece 90° star diagonal for more comfortable viewing, especially nearing the zenith
  • Diagonal mirror has highly-reflective dielectric coatings for up to 99% light transmission
UPC: 812257010080
In the Box
Explore Scientific AR102 102mm Achromatic Refractor Telescope (OTA only)
  • 8x50 Finderscope and Bracket
  • Mounting Cradle Ring
  • 90° Star Diagonal
  • Objective Lens Cap
  • Focus Tube Cap
  • Limited 1-Year USA Warranty, Extendable to Transferrable Lifetime Warranty with Registration
  • Table of Contents
    • 1Description
    Optical Design Refractor
    Aperture 102 mm
    Focal Length 663 mm
    Focal Ratio f/6.5
    Eyepiece Barrel Diameter 2"
    Diagonal 90° star diagonal
    Finderscope 8 X 50, with quick-release bracket
    Tripod None
    Mount Type Vixen-style dovetail
    Optical Tube Dimensions 25.5 x 4.0" (64.8 x 10.1 cm)
    Weight 10.4 lb (4.7 kg)
    Packaging Info
    Package Weight 17.2 lb
    Box Dimensions (LxWxH) 40.5 x 10.0 x 9.5"

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