The National Geographic Excursion Series 8x42 delivers bright, high-contrast views through BAK-4 prisms and fully multi-coated optics in a waterproof, fog-proof body — ready for birding, hiking, and wildlife observation in any weather.

Features

• BAK-4 roof prisms with fully multi-coated lenses — bright, high-contrast images with accurate color across the entire field of view
• Waterproof and nitrogen fog-proof — sealed optics perform reliably in rain, humidity, and temperature swings
• 2-meter close focus — sharp detail on nearby birds, butterflies, and wildlife without backing away
• 17mm eye relief with twist-up eyecups — full field of view for eyeglass wearers without removing glasses
• 429-foot field of view at 1,000 yards — wide enough to track birds in flight and scan tree lines without losing context
• Open bridge roof prism design — secure one-handed grip and lightweight feel for extended glassing sessions
• Diopter adjustment — fine-tune focus independently for each eye
• Includes lens covers, neck strap, and storage case — everything needed to protect and carry in the field

Ideal For

• Birders — the 2m close focus and wide field of view make these ideal for identifying warblers, shorebirds, and backyard visitors
• Hikers and outdoor enthusiasts — waterproof construction and lightweight design handle trail conditions without worry
• Wildlife observers — BAK-4 prisms deliver the brightness and contrast needed to pick out detail in low-light dawn and dusk sessions
• Eyeglass wearers — 17mm eye relief and twist-up eyecups provide the full field without removing glasses