Explore Scientific FirstLight 80mm f/8 Alt-Az Refractor Telescope

BH #EXFLAR80RTTN • MFR #FL-AR80640TN
Explore Scientific
Explore Scientific FirstLight 80mm f/8 Alt-Az Refractor Telescope
Key Features
  • 80mm Refractor OTA
  • 640mm Focal Length, f/8 Focal Ratio
  • Fully Multi-Coated Optics
  • 40mm Rack-and-Pinion Focuser
The Explore Scientific FirstLight 80mm f/8 Alt-Az Refractor Telescope is ideal for users who want a portable observation platform for making observations or taking images of the moon and planets. Its moderate aperture and shorter focal length produce a fast focal ratio for improved resolution, and a larger 40mm drawtube to help avoid vignetting with larger imaging sensors or wide-field eyepieces.
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Explore Scientific FirstLight Overview

  • 1Description
  • 2Optical Tube
  • 3Mount
  • 4Tripod
  • 5Included Accessories

The Explore Scientific FirstLight 80mm f/8 Alt-Az Refractor Telescope is ideal for users who want a portable observation platform for making observations or taking images of the moon and planets. Its moderate aperture and shorter focal length produce a fast focal ratio for improved resolution, and a larger 40mm drawtube to help avoid vignetting with larger imaging sensors or wide-field eyepieces.

The scope features the manual Twilight Nano alt-azimuth mount with dual-axis control cables that allow users to track objects as they move across the night sky. Its stainless steel tripod provides a stable observation platform; and several observational accessories are provided that include a 25mm eyepiece, a 90°-star diagonal, a universal smartphone eyepiece adapter, and an unmagnified red-dot finderscope.

Optical Tube

  • 80mm aperture
  • f/8 focal ratio
  • 640mm focal length
  • Refractor-style optical configuration
  • Fully multi-coated optics improves light transmission for increased image contrast and brightness
  • Sturdy rack-and-pinion focuser
  • 40mm drawtube helps to reduce vignetting with larger imaging sensors or wide-field eyepieces; 1.25" holder accepts the most popular sized eyepieces and accessories

Mount

  • Manual alt-azimuth single-arm fork mount
  • Dual-axis slow motion tracking cables
  • Cables terminate in easy-to-manipulate knurled knobs
  • Quick-detach Vixen-style dovetail saddle

Tripod

  • 1.25" Stainless steel legs
  • Two leg sections with thumbscrew locks
  • Accessory tray doubles as leg stabilizers for additional rigidity and vibration-reduction

Included Accessories

  • 1.25" 25mm Plössl eyepiece yields 25x 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
  • Un-magnified red-dot finder allows for fast subject acquisition and easy star-hopping, with variable red illumination to protect night-adjusted vision

Explore Scientific FirstLight Specs

Optical DesignRefractor
Aperture80mm
Focal Length640mm
Focal Ratiof/8
Eyepiece Barrel Diameter1.25"
Diagonal90°-star diagonal
FinderscopeRed-dot finder
TripodAdjustable-height, stainless steel
Mount TypeManual alt-az
Power SourceNone
Optical Tube DimensionsNot specified by manufacturer
WeightNot specified by manufacturer

Explore Scientific FirstLight Reviews

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Can this be used for terrestrial viewing as well?

Can this be used for terrestrial viewing as well?
Asked by: John
It can be used for terrestrial viewing. Images will be rendered upright-but-laterally reversed. For correct lateral orientation a prism diagonal would be required. See BH# MEDPLX
Answered by: Steve
Date published: 2020-06-30
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