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Explore Scientific

Explore Scientific FirstLight 127 mm Achromatic Refractor Telescope with Twilight I Alt-Az Mount – Beginner & Deep Sky Observation Kit

Explore Scientific FirstLight 127 mm Achromatic Refractor Telescope with Twilight I Alt-Az Mount – Beginner & Deep Sky Observation Kit

$849.99
$849.99
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The Explore Scientific FirstLight 127 mm Achromatic Refractor Telescope with the Twilight I Adjustable Altitude-Azimuth Mount is a powerful and easy-to-use observing system designed for beginners and hobby astronomers. Its large 127 mm (5-inch) aperture and 1200 mm focal length (f/9.4) deliver bright, high-contrast views of the Moon, planets, star clusters, and brighter deep-sky objects. The fully multi-coated optics enhance image clarity and brightness, while the rugged refractor design requires minimal maintenance and provides accurate color rendition.

The included Twilight I Alt-Azimuth mount offers smooth manual tracking and intuitive up/down and left/right motions. This complete package includes a 25 mm Plössl eyepiece, 2″ 90° diagonal, red-dot finder, smartphone adapter for digiscoping, and downloadable astronomy software — giving you everything needed to start exploring the night sky right away. 

Key Features

High-Performance Optics

  • 127 mm achromatic doublet objective for crisp and detailed views across the sky

  • 1200 mm focal length with f/9.4 focal ratio for excellent lunar and planetary performance

  • Fully multi-coated lenses enhance light transmission and reduce reflections for brighter views 

Smooth and Stable Mounting

  • Twilight I Adjustable Alt-Azimuth mount provides smooth manual motion in altitude and azimuth

  • Ideal for intuitive pointing and effortless tracking of celestial objects 

Complete Starter Set

  • 2.5″ hexagonal rack-and-pinion focuser supports a wide range of visual accessories

  • 2″ 90° diagonal offers comfortable observing positions

  • 25 mm Plössl eyepiece included for balanced low-power views

  • Red-dot finder simplifies object acquisition

  • Smartphone adapter lets you easily capture and share your observations

  • Downloadable astronomy software included 

Specifications

Specification Details
Model Number FL-AR1271200MAZ01
Optical Design Achromatic Refractor
Aperture 127 mm (5.0″)
Focal Length 1200 mm
Focal Ratio f/9.4
Coatings Fully Multi-Coated Optics
Focuser 2.5″ Hexagonal Rack-and-Pinion
Diagonal 2″ 90°
Eyepiece Included 25 mm Plössl
Finder Red-dot Finder
Mount Type Twilight I Adjustable Alt-Azimuth
Smartphone Adapter Included
Included Accessories Eyepiece, diagonal, finder, smartphone adapter, software
Maximum Useful Magnification Approx. 180×


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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.
Most orders ship within 5 business days. You'll receive tracking information within 24 hours of your order leaving the warehouse. For full details, visit our Shipping Policy.
Orders cancelled after 48 hours are subject to a $20 administration fee. If your order has shipped, you are responsible for return shipping costs. Refunds are issued to the original payment method. See our full Refund Policy for details.
Yes! If you find a lower price at another authorized online retailer within 6 months of your purchase, we'll refund the difference. Learn more on our Price Match Guarantee page.
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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