Explore Scientific


Explore Scientific Essential Series 102mm f/7 Air-Spaced Triplet Refractor Telescope

The Explore Scientific ED102 Essential Series Air-Spaced Triplet APO Refractor Telescope features a triplet apochromatic lens system with Extra-low Dispersion (ED) glass and Explore Scientific's proprietary anti-reflection EMD fully multicoated optics.

A nice compromise between portability and aperture, this versatile high-end telescope offers true diffraction-limited optics and has an objective lens size that performs well in lunar, planetary, and deep-sky viewing.


  • Triplet apochromatic lenses eliminate chromatic and spherical aberrations for true color rendition and without distortion across the entire field of view
  • Proprietary anti-reflection EMD enhanced multicoatings on all optics
  • Extra-low Dispersion (ED) glass
  • Vixen-style dovetail plate is compatible with any alt-az or equatorial mount with a Vixen-style saddle
  • Cradle-ring assembly for plate allows the scope orientation to be changed based on mount configuration
Type Refractor
Lens Type Achromat
Focal Lenght 714mm
Focal Ratio f/7
Eyepieces 2"
Weight 9.6lbs
Limiting Magnitude 12.5
Resolution 1.14 arcsec
Tube Length w/ Dew Shield 23.75"
Diameter 119mm
Mount type Vixen
Mount included No