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Explore Scientific FirstLight AR90mm White Tube Refractor Telescope with Alt/AZ "U" Yoke Mount, 500mm f/5.5 Focal Length

SKU: ESFAR9050AZ MFR: FL-AR90500AZ
$129.99
$155.98
Save: $25.99 (17%)
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Key Features

  • Explore deep space with this 90mm aperture telescope, perfect for celestial views.
  • Achieve up to 125x magnification power, bringing distant objects into clear focus.
  • Enjoy stable views using the Alt/AZ "U" Yoke mount & sturdy aluminum tripod.
  • This refractor telescope includes quality 1.25" K9 & K20 eyepieces for sharp images.
  • Capture stunning photos using the included smartphone camera adapter; easy to use!
  • Perfect for beginners, this telescope offers ease of use and simple setup.
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Special Order?Estimated to Ship: 08/21/2025
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George T : price includes and the tripod?
Shopper : Why Did You Choose This?pradyumna s : good scope for a beginner, very good price and mostly wanted to see deep sky objects rather than only moon and planets.

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Explore Scientific AR90mm Telescope Specifications

  • Magnification

    125x

  • Focal Length

    500mm

  • Focal Ratio

    F/5.5

  • Adapter

    1.25" draw tube focuser; 1.25" Erect Imaging Diagonal

  • Optical Diameter

    90mm

  • Eyepiece

    1.25" K9 and K20 eyepieces (Included)

  • Mount Type

    Alt/AZ "U" Yoke mount; Aluminum tripod

  • UPC Code

    812257018390

About Explore Scientific AR90mm Telescope

A gateway to the cosmos, the FirstLight AR90mm White Tube Refractor Telescope with Alt/AZ "U" Yoke Mount and 500mm f/5.5 Focal Length is your ticket to breathtaking celestial views. This versatile telescope is part of the esteemed FirstLight series, designed to cater to a variety of astronomical needs. Whether you're captivated by the intricate details of our solar system or the awe-inspiring spectacles of deep space, this telescope is equipped to deliver stunning clarity and detail.

This comprehensive package comes with everything you need to start your stargazing journey. The telescope itself is an achromatic refractor, renowned for its ability to minimize color distortion and deliver sharp, high-contrast images. With an aperture of 90mm and a focal length of 500mm, it strikes a perfect balance between light-gathering capacity and magnification power.

The Alt/AZ "U" Yoke mount ensures smooth and precise control, allowing you to easily track celestial objects as they move across the sky. The sturdy aluminum tripod provides a stable base for your observations, while the 1.25" draw tube focuser allows for fine adjustments to achieve the sharpest possible image.

Included in the package are two 1.25" eyepieces - K9 and K20 - offering a range of magnification options for different viewing conditions. The HD119 Red-dot Finder aids in quickly locating celestial objects, and the 1.25" Erect Imaging Diagonal ensures correct image orientation for terrestrial viewing.

One of the standout features of this package is the smartphone camera adapter. This handy accessory allows you to capture the stunning views through your eyepiece and share them with the world, making your astronomical adventures even more rewarding.

With the FirstLight AR90mm White Tube Refractor Telescope, all you need to bring is your curiosity and a thirst for discovery. Explore the universe from the comfort of your backyard with this comprehensive and user-friendly telescope package.

Explore Scientific AR90mm Telescope Features

  • Large 90mm aperture packs enough light-gathering power for revealing looks at galaxies, nebulae and clusters as well as lunar and planetary features
  • Doublet design uses a pairing of glass lenses separated by a cushion of air to minimize chromatic aberrations
  • Simple yoke mount with an altitude rod makes it easy to smoothly move the telescope and track objects
  • Full size tripod includes accessory tray to keep eyepieces handy and provide additional stability
  • Model comes with 9mm and 20mm Kellner eyepieces and a red dot viewfinder to aid in object location
  • Erect image diagonal provides proper image orientation for terrestrial use
  • Included adapter helps observers use their smart device to capture and share images

Key Features

  • Explore deep space with this 90mm aperture telescope, perfect for celestial views.
  • Achieve up to 125x magnification power, bringing distant objects into clear focus.
  • Enjoy stable views using the Alt/AZ "U" Yoke mount & sturdy aluminum tripod.
  • This refractor telescope includes quality 1.25" K9 & K20 eyepieces for sharp images.
  • Capture stunning photos using the included smartphone camera adapter; easy to use!
  • Perfect for beginners, this telescope offers ease of use and simple setup.

What's in the box:

  • Explore Scientific FirstLight AR90mm White Tube Refractor Telescope
  • Alt/AZ "U " Yoke Mount
  • Sturdy Mount
  • Aluminum Tripod
  • 1.25 " Draw Tube Focuser
  • 1.25 " Erect Imaging Diagonal
  • 1.25 " K9 and K20 Eyepieces
  • HD119 Red-Dot Finder
  • Smartphone Camera Adapter
  • Explore Scientific 1 Year Limited Warranty