Buy one, get one 25% off - Alpen Optics

Explore Scientific  |  SKU: FL-MC1271900MAZ01

Explore FirstLight 127mm f/15 Mak-Cassegrain Telescope with Twilight I Mount

$849.99 $1,019.99

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

Earn 1 Point on this purchase. Learn more

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 127mm f/15 Mak-Cassegrain Telescope with Twilight I Mount


Want stunning, detailed views of the cosmos? Get the Explore FirstLight 127mm f/15 Mak-Cassegrain Telescope with Twilight I Mount that will help you explore the night sky effortlessly without the frustration of complex setups.



  • High-Performance Optics: The 127mm (5") Maksutov-Cassegrain optical system delivers crystal-clear, high-contrast views, making it perfect for detailed observations of celestial objects.
  • Long Focal Length: With a 1900mm focal length and an f/15 focal ratio, this telescope provides exceptional magnification for observing distant galaxies and nebulae.
  • Fully Multi-Coated Optics: Enhanced coatings ensure maximum light transmission and minimize reflections, resulting in brighter and sharper images.
  • Internal Focusing Mechanism: Smooth and precise focusing adjustments for clear and focused views of the night sky.
  • Twilight I Manual Alt-Azimuth Mount: User-friendly mount with dual-axis control cables for effortless tracking and stability during observations.
  • Dual-Axis Slow Motion Cables: Easy and accurate adjustments for fine-tuning your view, ensuring you never lose sight of your target.
  • 1.25" 25mm Eyepiece: Provides wide, clear views of the night sky, perfect for both beginners and experienced astronomers.
  • 1.25" 90° Diagonal: Offers comfortable viewing angles, reducing neck strain during long observation sessions.
  • Red-Dot Finderscope: Simplifies locating and tracking celestial objects, making stargazing more enjoyable and less frustrating.
  • Smartphone Camera Adapter: Capture and share stunning images of celestial objects effortlessly with this adapter, bringing astrophotography to your fingertips.
  • 2" Stainless Steel Tripod with Accessory Tray: Durable and stable tripod with an accessory tray for organizing your stargazing tools and ensuring a steady setup.

The Explore FirstLight 127mm f/15 Mak-Cassegrain Telescope with Twilight I Mount is for you if…

  • You’re an Astronomy Enthusiast: Whether you're a novice or a seasoned stargazer, this telescope offers high-quality views and smooth tracking capabilities, perfect for exploring the night sky.
  • You Love Astrophotography: With the included smartphone adapter and high-performance optics, capturing and sharing breathtaking images of celestial objects has never been easier.
  • You Value Portability and Stability: This telescope’s compact and lightweight design, combined with the robust Twilight I mount, makes it easy to transport and ensures stable, precise observations.
  • You Seek Clarity and Detail: The fully multi-coated optics and long focal length ensure bright, sharp, and detailed views of the moon, planets, and deep-sky objects.
  • You Want a Complete Observational Kit: The comprehensive accessory package, including the 25mm eyepiece, 90° diagonal, red-dot finderscope, and stainless steel tripod, provides everything you need for an enriching stargazing experience.
  • You Enjoy Sharing Discoveries: The smartphone eyepiece adapter allows you to quickly capture and share your celestial observations with friends, family, and the online astronomy community.


Unlock the mysteries of the night sky with the Explore FirstLight 127mm f/15 Mak-Cassegrain Telescope with Twilight I Mount, designed to deliver exceptional clarity and detail in your astronomical observations. With a powerful magnification of 250x and a 127mm (5") aperture, this telescope brings the intricate details of lunar craters, planetary rings, and distant galaxies into sharp focus. Its 1900mm focal length and f/15 focal ratio ensure you can explore the cosmos with unparalleled precision.

The fully multi-coated optics maximize light transmission and minimize reflections, providing bright, crystal-clear images that enhance every stargazing session. Whether you are observing the night sky from your backyard or a remote location, this telescope’s advanced optical system guarantees a superior viewing experience. The internal focusing mechanism allows for smooth, precise adjustments, ensuring that your views remain clear and focused.

Equipped with the Twilight I Manual Alt-Azimuth Mount, this telescope offers effortless tracking and stability. The dual-axis slow motion cables enable easy and accurate adjustments, so you can keep celestial objects in view as they move across the sky. This feature is particularly valuable for long observation sessions and astrophotography, making it simpler to capture stunning images of the night sky.


Explore the Universe in Stunning Detail

With the Explore FirstLight 127mm f/15 Mak-Cassegrain Telescope with Twilight I Mount, you can observe a wide array of celestial wonders with exceptional clarity and precision. Here’s what you can expect to see:

  • Lunar Landscapes: View the intricate details of the moon’s craters, mountains, and valleys.
  • Planetary Features: Observe the rings of Saturn, the bands of Jupiter, and the phases of Venus with remarkable precision.
  • Distant Galaxies: Discover far-off galaxies and nebulae, unveiling the mysteries of deep space.
  • Star Clusters: Enjoy the shimmering beauty of star clusters like the Pleiades and the Hercules Cluster.
  • Bright Deep-Sky Objects: Experience clear views of brighter nebulae and star-forming regions, such as the Orion Nebula.
  • Double Stars: Resolve close binary star systems and enjoy their contrasting colors and brightness.


Premium Accessories

The Explore FirstLight 127mm f/15 Mak-Cassegrain Telescope with Twilight I Mount comes with a comprehensive set of accessories, each designed to enhance your astronomical observations and make your stargazing sessions more enjoyable and productive.

  • Twilight I Alt-Azimuth Mount with Tripod: Experience smooth and precise tracking with the user-friendly Twilight I mount. Its dual-axis slow motion cables allow for effortless adjustments, ensuring your celestial objects stay in clear view. The sturdy tripod provides stability and support for extended observation sessions.
  • Smartphone Camera Adapter: Capture and share the beauty of the cosmos with ease. This adapter allows you to attach your smartphone to the telescope, turning it into a powerful astrophotography tool. Document your discoveries and share stunning images of the night sky with friends, family, and fellow enthusiasts.
  • 1.25" 25mm Eyepiece: Enjoy wide, crystal-clear views of the night sky. This high-quality Plossl eyepiece is perfect for observing a variety of celestial objects, providing a versatile and immersive viewing experience.
  • 1.25" 90° Diagonal: Achieve comfortable viewing angles with the included diagonal mirror. It reduces neck strain during extended observation sessions, allowing you to enjoy the night sky for longer periods without discomfort.
  • Red-Dot Finder: Easily locate and track celestial objects with this intuitive finderscope. The red-dot finder simplifies the process of aligning your telescope with stars and planets, making stargazing more accessible and less frustrating.
  • Tripod with Accessory Tray: Keep your stargazing tools organized and within reach with the sturdy tripod and convenient accessory tray. This setup ensures a stable platform for your telescope and enhances your overall observing experience.


Begin Your Journey Through the Cosmos

Don’t miss the chance to explore the universe with the Explore FirstLight 127mm f/15 Mak-Cassegrain Telescope with Twilight I Mount. Its powerful optics, advanced mount, and comprehensive accessories make it the perfect choice for anyone eager to unlock the mysteries of the night sky. Begin your astronomical adventure today and discover the wonders that await you in the cosmos.



If you prefer the Equatorial mount, consider the Explore FirstLight 127mm f/15 Mak-Cassegrain Telescope with EQ3 Mount

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.

Questions & Answers

Have a Question?

Be the first to ask a question about this.

Ask a Question
Explore FirstLight 127mm f/15 Mak-Cassegrain Telescope with Twilight I Mount | FL-MC1271900MAZ01 | 812257018147

Explore FirstLight 127mm f/15 Mak-Cassegrain Telescope with Twilight I Mount

$849.99 $1,019.99




127 mm | 5"

Focal Length

1900 mm

Focal Ratio


Field of View



Fully multi-coated

Barrel Size





Optical Tube: 7.6 lb
View product