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Explore Scientific

Explore Scientific 1.25-Inch 5x Focal Extender — Multiply the Magnification of Any 1.25-Inch Eyepiece by 5x for Planetary Detail

Explore Scientific 1.25-Inch 5x Focal Extender — Multiply the Magnification of Any 1.25-Inch Eyepiece by 5x for Planetary Detail

Regular price $129.99
Regular price Sale price $129.99
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The Explore Scientific 5x Focal Extender (1.25") multiplies your telescope's magnification by five, for very high-power views and imaging of the Moon and planets. Its telecentric multi-element design keeps the light path parallel, so magnification stays consistent and images stay sharp — far better controlled than stacking simple Barlow lenses.

Who it's for

Serious planetary and lunar imagers who need maximum image scale, and observers with high-quality optics and steady skies. Want to understand power? See our guide to telescope magnification explained.

Key features

  • 5× magnification — the biggest power boost in the range
  • Telecentric multi-element design for consistent magnification and sharp images
  • Fully multi-coated optics for bright, high-contrast views
  • Built for high-resolution planetary imaging where image scale matters most
  • Standard 1.25" barrel fits most telescopes and cameras

Specifications

Type Telecentric focal extender (Barlow-type)
Magnification
Barrel 1.25"
SKU FE05-125

Frequently asked questions

Is 5× mainly for imaging?
Largely, yes — 5× shines for high-resolution planetary and lunar photography, where extra image scale reveals fine detail. Visually it needs excellent optics and very steady seeing.

How is a focal extender different from a Barlow?
Its telecentric design keeps light rays parallel for consistent magnification and better performance with cameras and filters than a simple Barlow.

Will it work with my telescope?
It fits standard 1.25" focusers and diagonals. Getting the most from 5× requires quality optics and calm atmospheric conditions.

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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.
Most orders ship within 5 business days. You'll receive tracking information within 24 hours of your order leaving the warehouse. For full details, visit our Shipping Policy.
Orders cancelled after 48 hours are subject to a $20 administration fee. If your order has shipped, you are responsible for return shipping costs. Refunds are issued to the original payment method. See our full Refund Policy for details.
Yes! If you find a lower price at another authorized online retailer within 6 months of your purchase, we'll refund the difference. Learn more on our Price Match Guarantee page.
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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