SKU: 96120867773

Explore Scientific FCD100 127mm f/7.5 Carbon Fiber Triplet APO Refractor Telescope

Sale price$720.00 Regular price$800.00
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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29

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Description

Explore Scientific FCD100 127mm f/7.5 Carbon Fiber Triplet APO Refractor TelescopeThe Explore Scientific FCD100 127mm APO pairs premium HOYA FCD100 extra low dispersion glass with an air spaced triplet design to deliver diffraction limited views with virtually zero chromatic aberration. Wrapped in a lightweight carbon fiber tube at just 14 pounds, this 5 inch APO refractor punches well above its price classoffering optical quality that rivals scopes costing twice as much. Key Features HOYA FCD100 ED Glass FPL 53 equivalent extra

The Explore Scientific FCD100 127mm APO pairs premium HOYA FCD100 extra-low dispersion glass with an air-spaced triplet design to deliver diffraction-limited views with virtually zero chromatic aberration. Wrapped in a lightweight carbon fiber tube at just 14 pounds, this 5-inch APO refractor punches well above its price class—offering optical quality that rivals scopes costing twice as much.


Key Features
  • HOYA FCD100 ED Glass – FPL-53 equivalent extra-low dispersion glass virtually eliminates false color, delivering true-to-life colors on planets, nebulae, and in long-exposure astrophotography
  • Air-Spaced Triplet APO Design – Three-element optical system achieves 0.91 arcsecond resolution and diffraction-limited performance across the field
  • Carbon Fiber Tube Construction – Cuts weight dramatically compared to aluminum-tube APOs and reduces thermal expansion for faster cool-down at dark-sky sites
  • 2.5” Hexagonal Dual-Speed Focuser – Rock-solid rack-and-pinion design with 10:1 fine focus supports up to 10 lbs of imaging gear with zero image shift
  • EMD Enhanced Multi-Layer Coatings – Maximizes light transmission and contrast for faint deep-sky targets
  • Versatile f/7.5 Focal Ratio – Long enough for high-magnification planetary views, yet pairs beautifully with a 0.7x reducer for faster deep-sky imaging at f/5.25
  • Retractable Carbon Fiber Dew Shield – Blocks stray light and slows dew formation during extended sessions
  • 99% Reflective 2” Diagonal Included – Premium dielectric diagonal maximizes light throughput right out of the box

Ideal For
  • Serious visual observers stepping up from doublets or entry-level triplets who want pinpoint stars, jet-black backgrounds, and zero false color on planets and double stars
  • Astrophotographers who need tight, round stars across the field and a focuser that won’t flex under the weight of a dedicated astronomy camera, filter wheel, and auto-guider
  • Traveling astronomers who haul gear to dark-sky sites—the 14 lb carbon fiber OTA is one of the lightest 5-inch APOs available, and the fast thermal equilibrium means less time waiting and more time observing
  • Upgraders from 80–102mm APOs looking for a meaningful jump in aperture and resolution without needing a heavier mount

Accessories & Compatibility

Note: A finder scope and carrying case are not included. The pre-installed hybrid finder base accepts most standard finder scopes and guiding systems.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 96120867773

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Maddox
Boise, US
★★★★★ 5
Indestructible
Style: Fetch Balls (Pack of 2), Size: 3 inch
These balls are indestructible! We have a lab and a lab mix and they CANNOT damage these balls. They love them for fetch and to just chew on them (slightly squishy, but NO damage). Best toys we have bought for them.
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Reviewed in the United States on April 19, 2026
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Animal Lover
Draper, US
★★★★★ 5
Great trial set. Just be careful throwing the orange one!
Style: Assorted Balls (Pack of 3), Size: 2.5 inch
Blue isn't that easy to see in the yard White charges with bright light/UV and is truly a game changer for night-time fetch. Both dogs clearly favor it. Orange is easy to see in the grass at day They're 3 different weights as well, so double trial. I prefer medium for my big dogs, though light performs well too The orange is HEAVY and unyielding. Do NOT throw it with a ball thrower. It could damage your house or knock your dog out. Seems tough though.
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Reviewed in the United States on January 16, 2026
S
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Spo509
Waukegan, US
★★★★★ 3
Not as good as chuck it anymore
Style: Fetch Balls (Pack of 10), Size: 2.5 inch
I have bought these before and the where just like the chuck it balls. These are not those balls. The are lighter and my dog has already cause damage to one
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Reviewed in the United States on March 16, 2026
D
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Daisy l.
Dallas, US
★★★★★ 5
Doesn’t squeak but the dogs still love them
Our doggies love them!! Very durable! They do not squeak though
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Reviewed in the United States on May 7, 2026
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SES
Lake Worth, US
★★★★★ 5
10/10 for my dogs
Color: A.Orange+Blue+Green
super bouncy and fun for my dogs! they love playing with and tossing them around! hard to see in the water tho!
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Reviewed in the United States on May 29, 2026

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