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Explore Scientific

Explore Scientific FirstLight AR102 102 mm Doublet Refractor Telescope (1000 mm, f/9.8) – FL‑AR1021000

Explore Scientific FirstLight AR102 102 mm Doublet Refractor Telescope (1000 mm, f/9.8) – FL‑AR1021000

$349.99
$349.99
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The Explore Scientific FirstLight AR102 is a high‑performance 102 mm doublet refractor designed for astronomers who demand sharp, high‑contrast views. With a 1000 mm focal length and f/9.8 focal ratio, it delivers detailed lunar and planetary observations as well as bright, clear views of star clusters and nebulae. Fully multi‑coated optics ensure optimal light transmission and vivid color rendition. The included 2.5″ hexagonal rack‑and‑pinion focuser supports heavy eyepieces and imaging gear, while the 2″ 90° star diagonal and 25 mm Plössl eyepiece make it ready for comfortable visual observing right out of the box. A red‑dot viewfinder and smartphone adapter are also included to help you locate targets easily and capture the night sky.

Features

  • 102 mm aperture — gathers plenty of light for planets, moon, star clusters, and brighter deep‑sky objects.

  • 1000 mm focal length, f/9.8 focal ratio — balances magnification and contrast for versatile observing.

  • Fully multi‑coated doublet optics — maximize light throughput and minimize chromatic aberration for crisp views.

  • 2.5″ hexagonal rack‑and‑pinion focuser — stable and strong enough to handle heavy eyepieces or imaging accessories without flex.

  • Included 2″ 90° diagonal — ensures comfortable viewing, especially at high altitudes in the sky.

  • Comes with 25 mm Plössl eyepiece — provides a good balance of field-of-view and magnification for wide-field observation.

  • Red‑dot viewfinder — helps in quick target acquisition and star‑hopping under dark skies.

  • Smartphone adapter included — enables easy astrophotography or sharing of your eyepiece views via smartphone.

Specifications

Specification Detail
Model Number FL‑AR1021000
Optical Design Achromatic doublet refractor
Aperture 102 mm
Focal Length 1000 mm
Focal Ratio f/9.8
Focuser 2.5″ hexagonal rack‑and‑pinion
Eyepiece Included 25 mm Plössl (1.25″)
Diagonal 2″ 90° star diagonal
Finder Red‑dot viewfinder
Lens Coatings Fully multi‑coated
Use Case Visual astronomy — lunar, planetary, deep‑sky; beginner to intermediate use
Accessories Included Eyepiece, diagonal, finder, smartphone adapter

What’s Included

  • 102 mm doublet optical tube (AR102)

  • 2.5″ hexagonal rack‑and‑pinion focuser

  • 2″ 90° star diagonal

  • 25 mm Plössl eyepiece (1.25″)

  • Red‑dot viewfinder

  • Smartphone camera adapter (for digiscoping)

Video

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Frequently Asked Questions

With a beginner telescope you can see a surprising amount — the craters and mountains on the Moon, the rings of Saturn, the moons of Jupiter, and star clusters like the Pleiades. As you get more comfortable, you can also spot nebulae and distant galaxies. Not sure which beginner telescope is right for you? Check out our Telescope Buying Guide.
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All telescopes on Telescope Wolves are hand-picked with beginners in mind. If you're unsure which telescope is right for you, check out our Telescope Buying Guide.
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