Explore Scientific FirstLight 102mm f/6.5 Achro Refractor Telescope with Twilight Nano Alt-Az Mount

BH #EXFLAR102RT • MFR #FL-AR102600TN
Explore Scientific
Explore Scientific FirstLight 102mm f/6.5 Achro Refractor Telescope with Twilight Nano Alt-Az Mount
Key Features
  • 102mm Achromatic Refractor
  • 660mm Focal Length, f/6.5 Focal Ratio
  • Fully Multi-Coated Optics
  • 40mm Rack-and-Pinion Focuser
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The Explore Scientific FirstLight 102mm f/6.5 Achro Refractor Alt-Az Telescope combines power and simplicity to provide new users with a complete observational platform for viewing the moon and planets, and bright deep-sky objects. Outfitted with a large 4" aperture, it can gather enough light to easily reveal lunar details, pick out Martian icecaps and Saturnian rings, and resolve distant star clusters. Its sturdy rack-and-pinion focuser allows it to handle heavier or awkward loads such as DSLR imaging rigs or the included smartphone adapter, and a larger 40mm drawtube ensures full coverage of camera imaging sensors to avoid vignetting of the view.
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Expected availability: 7-14 business days
$279.99
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Explore Scientific FirstLight Overview

  • 1Description
  • 2Optical Tube Assembly
  • 3Mount and Tripod
  • 4Included Accessories

The Explore Scientific FirstLight 102mm f/6.5 Achro Refractor Alt-Az Telescope combines power and simplicity to provide new users with a complete observational platform for viewing the moon and planets, and bright deep-sky objects. Outfitted with a large 4" aperture, it can gather enough light to easily reveal lunar details, pick out Martian icecaps and Saturnian rings, and resolve distant star clusters. Its sturdy rack-and-pinion focuser allows it to handle heavier or awkward loads such as DSLR imaging rigs or the included smartphone adapter, and a larger 40mm drawtube ensures full coverage of camera imaging sensors to avoid vignetting of the view.

The OTA easily attaches to the manual Twilight Nano mount via a Vixen-style dovetail and plate, and with a maximum payload capacity of 14 pounds, it can easily handle the OTA and accessories. Supporting the mount head and OTA is an adjustable-height stainless steel tripod that comes with a center tray to add stability and offers a convenient place to hold accessories such as eyepieces, filters, and adapters. To ensure users can start viewing right out of the box, Explore Scientific includes a 25mm eyepiece, a 90° star diagonal, and a red-dot finder.

Optical Tube Assembly

  • 102mm aperture
  • f/6.5 focal ratio
  • 660mm focal length
  • Refractor-style optical design
  • Achromatic lens configuration corrects for spherical and chromatic aberrations to reduce distortion, especially at the edges, and transmit accurate color rendition without halos or off-axis fringing
  • Anti-reflection fully multi-coated optics improve light transmission through the optical path for improved color, clarity, and contrast
  • Resolution (Dawes): 1.14 arc sec
  • Larger 40mm drawtube helps to cover camera imaging sensors and avoid vignetting
  • Sturdy rack-and-pinion focuser
  • Vixen-style dovetail mounting plate

Mount and Tripod

    FirstLight Twilight Nano:
  • Manual alt-azimuth
  • Control handle for easy movement with limited vibration
  • Single fork-arm reduces weight and simplifies mounting system
  • Standard Vixen-style dovetail saddle accepts most smaller OTAs
  • 14-pound payload capacity
    Tripod:
  • 1.25" diameter legs
  • Stainless steel
  • Adjustable height from 36" to 45"
  • Center tray adds stability and offers a place for accessories such as eyepieces and filters

Included Accessories

    Reducer adapter:
  • 40mm to 1.25"
  • Allows the use of 1.25" eyepieces and accessories
    Eyepiece:
  • 1.25" diameter barrel
  • Plössl lens design
  • 25mm focal length yields 26x magnification
    Diagonal:
  • 1.25" snout and eyepiece holder
  • 90° angle puts head at a comfortable viewing angle, especially when OTA is pointed at or near the zenith
  • Star configuration corrects image horizontally, but not vertically
    Viewfinder:
  • Red-dot design
  • Unlimited field of view makes alignment and star-hopping celestial navigation fast and easy
  • Projects a red center aiming reticle that won't obscure small objects
    Smartphone Adapter:
  • 1.25" diameter barrel
  • Capture photos or video through telescope to text, email, share, and post immediately
UPC: 812257018024

Explore Scientific FirstLight Specs

Optical DesignRefractor
Aperture102mm
Focal Length660mm
Focal Ratiof/6.47
Eyepiece Barrel Diameter1.25"
Diagonal90° star
1.25" snout and eyepiece holder
FinderscopeRed-dot
TripodStainless steel
1.25" diameter legs
Adjustable Height: 36.0 - 45.0" / 91.4 - 114.3 cm
Mount TypeManual alt-azimuth
Power SourceNone
Optical Tube DimensionsNot specified by manufacturer
WeightNot specified by manufacturer
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