Explore Scientific FirstLight 127mm f/15 Alt-Az Maksutov-Cassegrain Telescope with Twilight 1 Mount

Explore Scientific FirstLight 127mm f/15 Alt-Az Maksutov-Cassegrain Telescope with Twilight 1 Mount

Explore Scientific FirstLight 127mm f/15 Alt-Az Maksutov-Cassegrain Telescope with Twilight 1 Mount

B&H # EXFLMAK127MC MFR # FL-MC1271900MAZ01
Explore Scientific FirstLight 127mm f/15 Alt-Az Maksutov-Cassegrain Telescope with Twilight 1 Mount

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Product Highlights

  • 127mm Catadioptric OTA
  • 1900mm Focal Length, f/15 Focal Ratio
  • Fully Multi-Coated Optics
  • Internal Focusing Mechanism
  • 1.25" 25mm Eyepiece and 90° Diagonal
  • Twilight 1 Manual Alt-Az Mount
  • Dual-Axis Slow Motion Cables
  • Red-Dot Finderscope
  • Smartphone Eyepiece Adapter
  • 2" Stainless Steel Tripod with Tray
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Explore Scientific FirstLight overview

  • 1Description

Explore Scientific's compact FirstLight 127mm f/15 Alt-Az Maksutov-Cassegrain Telescope is ideal for users who want a portable yet powerful observation platform that is able to achieve high magnifications for detailed views of the Moon and planets and has the ability to reach out past our solar system to observe brighter deep-sky objects such as nebulae and galaxies. The Maksutov-Cassegrain optical configuration is engineered with a convex meniscus lens that not only eliminates the need for periodic collimation, but by the nature of the lens requires a smaller secondary mirror that limits obstruction and increases contrast. The Maksutov optical path results in a slower focal ratio and narrower field of view versus a similar Schmidt design, but the optical benefits make this a useful scope for planetary and double-star observation.

The scope features the manual Twilight I alt-azimuth mount with dual-axis control cables that allows users to track objects as they move across the night sky. Its stainless steel tripod provides a stable observation platform, and its adjustable height from 38.5 to 55.5" allows for comfortable viewing by most users. Explore Scientific includes several observational accessories including a 25mm eyepiece that yields 40x, a 90° star diagonal to put the user's head in a comfortable viewing angle, a universal smartphone eyepiece adapter for easy astrophotography, and a wide-field unmagnified red-dot finderscope.

Optical Tube
  • 127mm aperture
  • f/15 focal ratio
  • 1900mm focal length
  • Compact Maksutov-Cassegrain optical configuration
  • Front convex meniscus lens corrects spherical and chromatic aberrations and comas (off-axis aberrations) across the entire field of view
  • Smaller secondary mirror versus Schmidt-Cassegrains reduces obstructions and increases contrast and sharpness
  • Internal focusing mechanism with 1.25" visual back
Mount
  • Manual alt-azimuth single-arm fork mount
  • Dual-axis slow-motion tracking cables
  • Cables terminate in easy-to-manipulate knurled knobs
  • Quick release Vixen-style dovetail saddle
Tripod
  • 2" stainless steel legs
  • Three leg sections with thumbscrew locks
  • Adjustment range with head: 38.5-55.5"
  • Fully collapsed with head: 42"
  • Fully collapsed without head: 29.5"
  • Accessory tray doubles as leg stabilizer for additional rigidity and vibration reduction
Included Accessories
  • 1.25" 25mm Plössl eyepiece yields 76x magnification
  • 1.25" 90° star diagonal places head in comfortable position, especially when OTA is aimed at or near the zenith
  • Smartphone adapter attaches over eyepiece and allows any smartphone to be used for astrophotography
  • Red-dot finder: Unmagnified for fast subject acquisition with variable red illumination to protect night-adjusted vision
In the Box
Explore Scientific FirstLight 127mm f/15 Alt-Az Maksutov-Cassegrain Telescope with Twilight 1 Mount
  • Twilight I Alt-Azimuth Mount with Tripod
  • Smart Phone Camera Adapter for 1.25" Eyepieces
  • 1.25" 25mm Eyepiece
  • 1.25" 90°-Star Diagonal
  • Red-Dot Finder
  • Tripod with Accessory Tray
  • Limited 1-Year USA Warranty, Extendable to Transferrable Lifetime Warranty with Registration
  • Table of Contents
    • 1Description

    Explore Scientific FirstLight specs

    Optical Tube Assemblyufydvqcsyyubxbvxvuybaqed
    Optical Design Maksutov Cassegrain
    Aperture 127 mm / 5"
    Focal Length 1900 mm
    Focal Ratio f/15
    Eyepiece Barrel Diameter 1.25"
    Diagonal Yes, 90 Star
    Finderscope Yes
    Mount
    Type Manual; Alt-Azimuth
    Tripod
    Tripod Height Adjustment Range 38.5 to 55.5" / 97.8 to 141.0 cm
    Material of Tripod Stainless Steel
    General

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