Explore Scientific G400 Series 8x42 Waterproof Binoculars — Wide-Field Outdoor Binoculars for Birding and Stargazing

The Explore Scientific G400 Series 8x42 Waterproof Binoculars are versatile, bright binoculars for stargazing, birding, and the outdoors. The 8× magnification and 42mm objectives strike a great all-round balance — wide, steady views with enough reach for wildlife, sports, and sweeping the night sky.

BAK-4 roof prisms with phase and dielectric coatings deliver crisp, high-contrast, true-color images, and the nitrogen-purged, waterproof housing keeps them fog-free and reliable in any weather.

Who it's for

Birders, hikers, sports fans, and casual stargazers who want one comfortable, do-everything pair of binoculars. The long eye relief also makes them comfortable for eyeglass wearers. Wondering how binoculars stack up against a scope? See our guide to astronomy binoculars vs a telescope.

Key features

• 8×42 configuration — a bright, steady, wide-field all-rounder
• BAK-4 roof prisms with phase & dielectric coatings for sharp, high-contrast, true-color views
• Nitrogen-purged and waterproof — fog-proof and weather-ready
• Generous 17.5mm eye relief with twist-up eyecups — comfortable with or without glasses
• Wide 131 m field of view at 1,000 m for easy tracking of birds and star fields

Specifications

Frequently asked questions

Are 8×42 binoculars good for astronomy?
Yes — 8×42 gives bright, wide, steady views that are excellent for scanning star fields, the Milky Way, and large objects like the Pleiades, while still being easy to hold without a tripod.

8×42 or 10×42 — which should I choose?
8× is steadier and wider (easier handheld, great for birds and sweeping); 10× gives more reach and detail but a narrower, slightly shakier view. Choose 8× for versatility, 10× for distance.

Are they okay for eyeglass wearers?
Yes — the 17.5mm eye relief and twist-up eyecups make them comfortable with glasses on.