Explore Scientific FirstLight 102mm f/9.8 Alt-Az Refractor Telescope

Explore Scientific FirstLight 102mm f/9.8 Alt-Az Refractor Telescope

Explore Scientific FirstLight 102mm f/9.8 Alt-Az Refractor Telescope

B&H # EXFLAR102RT1 MFR # FL-AR1021000MAZ01
Explore Scientific FirstLight 102mm f/9.8 Alt-Az Refractor Telescope

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Expected availability: 7-14 business days

Product Highlights

  • 102mm Refractor OTA
  • 1000mm Focal Length, f/9.8 Focal Ratio
  • Fully Multi-Coated Optics
  • Hexagonal Rack-and-Pinion Focuser
  • 2" 90° Diagonal, 25mm Eyepiece
  • Twilight 1 Manual Alt-Az Mount
  • Dual-Axis Slow Motion Cables
  • Red-Dot Finderscope
  • Smartphone Eyepiece Adapter
  • Adjustable-Height Steel Tripod
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Mount Options: Manual Alt-Az

Manual Alt-Az Manual German Equatorial Motorized GoTo

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Aperture: 102mm f/10

102mm f/10 127mm f/9

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127mm f/9.4

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152mm f/5

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70mm f/10

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80mm f/11

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80mm f/8

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Explore Scientific FL-AR1021000MAZ01 Overview

  • 1Description

Designed and built for beginners, the Explore Scientific FirstLight 102mm f/9.8 Alt-Az Refractor Telescope offers a complete observation rig for viewing the Moon, planets, meteor showers, and bright deep-sky objects. The optics are fully multi-coated with anti-reflection coatings to reduce light loss and produce brighter and clearer images with more accurate colors versus non-coated systems.

The scope features a manual alt-azimuth mount with dual-axis control cables that allow users to track objects as they move across the night sky. Its stainless steel tripod provides a stable observation platform, and its adjustable height from 38.5 to 55.5" allows for comfortable viewing by most users. Explore Scientific includes several observational accessories including a 25mm eyepiece that yields 40x, a 90° star diagonal to put the user's head in a comfortable viewing angle, a universal smartphone eyepiece adapter for easy astrophotography, and a wide-field unmagnified red-dot finderscope.

Optical Performance
  • 102mm (4") aperture
  • f/9.8 focal ratio
  • 1000mm focal length
  • Refractor optical design
  • Anti-reflection fully multi-coated optics
  • 2.5" hexagonal rack-and-pinion focuser drawtube is capable of holding heavier imaging rigs without flexing
  • 2" eyepiece holder on the drawtube allows the use of larger eyepieces, and allows the exiting light to completely cover larger imaging sensors
  • Manual alt-azimuth single-arm fork mount
  • Dual-axis slow motion tracking cables
  • Cables terminate in easy-to-manipulate knurled knobs
  • Quick-detach Vixen-style dovetail saddle
  • Three stainless steel leg sections with thumbscrew locks
  • Adjustment range with head: 38.5 - 55.5"
  • Fully-collapsed with head: 42"
  • Fully-collapsed without head: 29.5"
  • Accessory tray doubles as leg stabilizer for additional rigidity and vibration-reduction
  • 1.25" 25mm eyepiece yields 40x magnification
  • 2" 90° diagonal places head in comfortable viewing position when aimed at or near the zenith
  • Reducer adapters for drawtube allows use of smaller eyepieces and accessories
  • 2"-to-1.25" reducer adapter allows the use of the included eyepiece plus a wide array of other optional eyepieces and accessories
  • Universal smartphone adapter attaches over eyepiece for astrophotography
  • Unmagnified red-dot finderscope allows for fast subject acquisition and star-hopping techniques
In the Box
Explore Scientific FirstLight 102mm f/9.8 Alt-Az Refractor Telescope
  • Twilight I Alt-Azimuth Mount with Tripod
  • Smart Phone Camera Adapter for 1.25" Eyepieces
  • 1.25" Reducer Adapter
  • 2" 90° Diagonal
  • 1.25" 25mm Eyepiece
  • Red-Dot Finder
  • Limited 1-Year USA Warranty, Extendable to Transferrable Lifetime Warranty with Registration
  • Table of Contents
    • 1Description

    Explore Scientific FL-AR1021000MAZ01 Specs

    Optical Design Refractor
    Aperture 102mm
    Focal Length 1000mm
    Focal Ratio f/9.8
    Eyepiece Barrel Diameter 2"
    1.25", with included reducer adatper
    Diagonal 90° star
    2" snout and eyepiece holder
    Finderscope Red-dot
    Tripod Adjustable-height, stainless steel
    Mount Type Manual alt-az
    Power Source None
    Optical Tube Dimensions Not specified by manufacturer
    Weight Not specified by manufacturer
    Packaging Info
    Package Weight 36.2 lb
    Box Dimensions (LxWxH) 46.5 x 16.25 x 10.5"

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