Up to 50% off eyepieces - Save now

Buy one get one 20% off - Alpen Optics

Explore Scientific  |  SKU: FL-AR1021000EQ3

Explore FirstLight 102mm f/9.8 Doublet Refractor Telescope with EXOS Nano EQ3 Mount - FL-AR1021000EQ3


Estimated delivery in 3-5 business days via UPS or FedEx

Ships from US warehouse in 1-2 business days

Shipping & Returns

We offer free US standard shipping on orders over $99 and 30-day returns on most items. Some limitations apply.

Shipping Policy

30-Day Return Policy

Explore FirstLight 102mm f/9.8 Doublet Refractor Telescope with EXOS Nano EQ3 Mount



  • 102mm / 4" Refractor OTA ideal for getting excellent deep sky views
  • Doublet design uses a pairing of glass lenses separated by a cushion of air to minimize chromatic aberrations
  • 1000 Focal Length, f/9.8 Focal Ratio
  • Anti-Reflection Multi-Coated Optics
  • 40mm Rack-and-Pinion Focuser
  • 25mm Eyepiece, 90° Star Diagonal for more comfortable viewing
  • Manual Equatorial Mount can hold up to 15lbs of equipment
  • Dual Slow-Motion Control Cables for smooth manual tracking
  • Red-Dot Finderscope to aid object location
  • Stainless Steel Tripod with Accessory Tray
  • Included adapter helps observers use their smart device to capture and share images


With the versatile FirstLight 102mm f/9.8 Refractor Telescope with EXOS Nano EQ3 Mount you get a complete observation rig for viewing the Moon, planets, meteor showers, and bright deep sky objects.

This package is great for beginners and features fully multi-coated optics with anti-reflection coatings to produce brighter and clearer images with more accurate colors.

This telescope comes with a german equatorial mount, which is designed to smoothly track celestial objects as they journey across the sky and has two flexible shafts for precise guiding and a counterweight (2 ½ lbs) that provides necessary balance.

The full size tripod includes an accessory tray to keep eyepieces handy and provide additional stability.

As an added benefit, this package includes an adapter that allows you to use your smartphone to easily capture and share the beauty unfolding in your eyepiece. With Firstlight, the only thing you need to provide is a desire to discover.

FirstLight AR102mm White Tube Refractor with 1000mm focal length f/9.8 telescope with fully multi-coated glass; EXOS Nano EQ3 German Equatorial mount; 40mm draw tube focuser; 1.25" 90° Diagonal; Plossl 25mm eyepiece; and HD132 Red-dot Finder; Smartphone Camera adapter.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Meta Pay
  • Google Pay
  • Mastercard
  • Shop Pay
  • Visa

Your payment information is processed securely encrypted during transmission. We do not store credit card details nor have access to your credit card information.

Customer Reviews

Be the first to write a review
Explore FirstLight 102mm Doublet Refractor Telescope with EXOS EQ Nano Mount - FL-AR1021000EQ3 812257018062

Explore FirstLight 102mm f/9.8 Doublet Refractor Telescope with EXOS Nano EQ3 Mount - FL-AR1021000EQ3





102 mm | 4"

Focal Length

1000 mm

Focal Ratio


Field of View



Fully multi-coated

Barrel Size



24 - 41" (61 - 104.1cm) tripod adjustable height


Package: 31.5 lb
View product