• Alpen Chisos 10x50 ED Binoculars — Bright ED Glass Binoculars for Birding and Low-Light Wildlife Viewing
  • Alpen Chisos 10x50 ED Binoculars — view 2
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Alpen

Alpen Chisos 10x50 ED Binoculars — Bright ED Glass Binoculars for Birding and Low-Light Wildlife Viewing

Alpen Chisos 10x50 ED Binoculars — Bright ED Glass Binoculars for Birding and Low-Light Wildlife Viewing

$245.95
$245.95
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The Alpen Chisos 10x50 ED is a premium pair of binoculars built around extra-low dispersion (ED) glass, the same type of optical glass used to keep colors crisp and edges clean in high-end optics. With 10x magnification and large 50mm objective lenses, it gathers plenty of light for bright, detailed views in the field and after dark.

"ED glass" simply means the lenses are made to reduce color fringing (the faint purple or green halos you can see around bright objects), so what you look at appears sharper and truer to life.

Who it's for

Birders and wildlife watchers who want bright, high-contrast views in dawn and dusk light, and stargazers who like scanning the night sky handheld. Not sure whether binoculars or a telescope suit you best? See our guide to astronomy binoculars vs a telescope for beginners.

Key features

  • Extra-low dispersion (ED) glass reduces color fringing for sharper, truer-color images.
  • Large 50mm objective lenses gather lots of light for bright views in low light.
  • Phase-coated BaK-4 roof prisms deliver high contrast and edge-to-edge clarity.
  • Fully multi-coated optics maximize light transmission and reduce glare.
  • Waterproof and fog-proof nitrogen-purged sealing keeps moisture and haze out.

What you'll see

On land, the 50mm lenses pull in bright detail on birds and wildlife even at dawn and dusk. Point them up at night and the 10x view reveals the Moon's craters, the moons of Jupiter, bright star clusters, and a scattering of stars far beyond naked-eye reach.

Specifications
Magnification 10x
Objective lens 50mm
Optical glass Extra-low dispersion (ED)
Prism BaK-4 roof, phase-coated
Lens coatings Fully multi-coated
Exit pupil 5.0mm
Close focus ~2–2.5 m (approx.)
Waterproof / fog-proof Yes, nitrogen-purged

Frequently asked questions

Are these good for stargazing?
Yes. The 50mm lenses and 10x magnification make them well suited to the Moon, bright star clusters, and sweeping the Milky Way on a dark night.

What does ED glass do?
It reduces color fringing around bright objects, so images look sharper and more natural, especially in high-contrast scenes.

Can I wear glasses with them?
Yes, twist-up eyecups let eyeglass wearers get the full field of view.

Are they waterproof?
Yes. They are sealed and nitrogen-purged to be waterproof and fog-proof.

View full details

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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