Explore Scientific 102 mm f/7 Air-Spaced Triplet APO Refractor Telescope OTA (FCD100-10207-02)

Explore Scientific

Price: $1,699.99 USD
List Price:
Price: $1,699.99 USD
Shipping calculated at checkout.

The Explore Scientific 102 mm f/7 Triplet APO Refractor delivers premium optical performance for both visual astronomy and astrophotography. Its air-spaced triplet lens uses high-grade HOYA FCD100 ED glass, providing exceptional color correction, sharpness, and high contrast for observing planets, the Moon, star clusters, and deep-sky objects.

A heavy-duty 2.5" HEX focuser provides smooth, stable focusing and supports imaging setups with larger cameras or filter wheels. The optical tube assembly includes a retractable dew shield, dual mounting rings, and a Vixen-style dovetail, making it adaptable to a wide range of mounts. This OTA is lightweight, portable, and built to deliver premium performance in the field or backyard.

Key Features

  • 102 mm air-spaced triplet apochromatic design for true color correction

  • HOYA FCD100 ED glass for high contrast and minimal chromatic aberration

  • 714 mm focal length at f/7 — excellent balance of field of view and magnification

  • 2.5" heavy-duty HEX focuser supports heavy imaging accessories

  • Retractable dew shield for improved portability

  • Dual tube rings with Vixen-style dovetail for easy mounting

  • Ideal for planetary, lunar, and deep-sky astrophotography

Specifications

Specification Detail
Brand Explore Scientific
Model FCD100-10207-02
Optical Design Air-spaced triplet apochromat (ED glass)
Aperture 102 mm
Focal Length 714 mm
Focal Ratio f/7
Resolution ~1.14 arcseconds
Limiting Magnitude ~12.5 magnitude
Tube Length (with Dew Shield) ~774 mm
Tube Length (without Dew Shield) ~603 mm
Tube Diameter ~119 mm
OTA Weight ~4.9–5.4 kg
Focuser 2.5" HEX rack-and-pinion, dual-speed capable
Mount Interface Vixen-style dovetail with cradle rings
Recommended Use Visual observing and astrophotography

Frequently Asked Questions

With a beginner telescope you can see a surprising amount — the craters and mountains on the Moon, the rings of Saturn, the moons of Jupiter, and star clusters like the Pleiades. As you get more comfortable, you can also spot nebulae and distant galaxies. Not sure which beginner telescope is right for you? Check out our Telescope Buying Guide.
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All telescopes on Telescope Wolves are hand-picked with beginners in mind. If you're unsure which telescope is right for you, check out our Telescope Buying Guide.
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