• Explore Scientific BT-120 120mm ED giant astronomy binoculars for deep-sky stargazing
  • Explore Scientific BT-120 giant binoculars with interchangeable 1.25-inch eyepieces for astronomy
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Explore Scientific

Explore Scientific BT-120 ED Giant Binocular — 120mm Astronomy Binocular for Deep-Sky Stargazing

Explore Scientific BT-120 ED Giant Binocular — 120mm Astronomy Binocular for Deep-Sky Stargazing

$4,162.00
$5,549.99 $4,162.00
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The Explore Scientific BT-120 ED Giant Binocular is a large-aperture astronomy binocular that turns two-eyed observing into a serious deep-sky instrument. Its 120mm ED (extra-low dispersion) glass objectives gather a huge amount of light, so star clusters, nebulae, and the Moon show bright and sharp with true, natural depth — the immersive experience serious binoculars for stargazing are loved for. The 45° angled eyepieces make long sessions comfortable, and the interchangeable 1.25" eyepiece holders let you dial in the right magnification for wide star fields or closer looks.

Who it's for

Intermediate and serious stargazers who want maximum light-gathering for deep-sky objects in a comfortable, immersive binocular-telescope form factor. Deciding between formats? Compare astronomy binoculars vs a telescope.

Key features

  • 120mm ED objective lenses for maximum light-gathering and contrast
  • 45° angled viewing for comfortable overhead observing
  • Accepts interchangeable 1.25" eyepieces to change magnification
  • Individual eyepiece focusing and adjustable interpupillary distance
  • Built for tripod or heavy-duty mount use

Specifications

Type ED giant astronomy binocular
Aperture 120 mm
Optical glass ED (extra-low dispersion)
Eyepiece holders Interchangeable 1.25"
Viewing angle 45°
Mount Tripod / heavy-duty mount
SKU 01-14250

Frequently asked questions

Does the BT-120 need a heavy mount?
Yes. At 120mm it's best used on a sturdy tripod or heavy-duty mount for steady, comfortable viewing.

Can I change eyepieces?
Yes. It accepts interchangeable 1.25" eyepieces so you can select different magnifications.

What can I see with 120mm binoculars?
Bright star clusters, larger nebulae, the Moon in detail, and sweeping Milky Way star fields with a natural, three-dimensional feel.

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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.
Orders are usually processed within 1–2 business days, and standard delivery takes 4–8 business days after that. You'll receive a shipping confirmation email with your tracking number as soon as your order ships. Free standard shipping applies to the 48 contiguous US states. For full details, visit our Shipping Policy.
You have 30 days from delivery to request a return. Items must be unused, unassembled, and in their original packaging with all accessories. To start a return, email info@telescopewolves.com with your order number — returns sent without approval can't be accepted. For change-of-mind returns, you cover return shipping and a 5% restocking fee applies. Refunds go back to your original payment method. See our full Refund Policy for details.
Yes! If you find a lower advertised price on an identical, new, in-stock item from an authorized online retailer within one month of your purchase, we'll refund you the difference (item price plus shipping, excluding taxes). Just email info@telescopewolves.com with your order number and a link or screenshot of the lower price. 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.
Please inspect your order as soon as it arrives. If anything is damaged, defective, or incorrect, email info@telescopewolves.com within 48 hours of delivery with your order number, a short description, and photos of the item, and we'll arrange a replacement or refund.
Absolutely. Our team is available Monday to Friday, 9am–5pm EST. The best way to reach us is by live chat or by email at info@telescopewolves.com. You can also visit our Contact Us Page.