10 Best Monoculars 2025 in the United States

The 16X52 Monocular Telescope offers a powerful 16x magnification and a large 52mm objective lens, making it ideal for outdoor activities like bird watching, hiking, and traveling. Its BAK4 prism and fully multi-coated lenses ensure high contrast and clear, bright images, even in low-light conditions.

The monocular is easy to use with one hand, which adds to its convenience during outdoor adventures. Additionally, it's built to be waterproof and fogproof, making it suitable for use in various weather conditions. At 2.6 x 2.6 x 6.7 inches and weighing 0.35 ounces, it’s relatively compact and lightweight, which enhances its portability.

Some users might find the manual focus a bit tricky to adjust initially. Nevertheless, this monocular could be a great gift for outdoor enthusiasts and those who enjoy observing wildlife and scenery. Its robust construction and ease of use make it a reliable choice for a variety of outdoor activities.

The Vortex Optics Solo Monocular 10x25 is a compact and lightweight option that offers 10x magnification with a 25mm objective lens. Its fully multi-coated lenses ensure enhanced light transmission and clear, crisp images, which is a significant advantage for those needing detailed views. The monocular is durable, featuring a fully rubber armored body for a non-slip grip, making it suitable for rugged outdoor use. It is also nitrogen purged and o-ring sealed, providing waterproof and fogproof performance in various environments—ideal for hiking, birdwatching, or other outdoor activities.

The adjustable eyecup is a thoughtful addition, allowing for comfortable use whether you wear glasses or not. One standout feature is the Vortex VIP Warranty, offering an unlimited, unconditional lifetime promise to repair or replace the monocular if it becomes damaged or defective, although it doesn’t cover loss or cosmetic damage. The fixed focus type may limit its flexibility for some users, and the 25mm objective lens, while sufficient for general use, might not perform as well in low-light conditions compared to larger lenses.

Weighing 5.6 ounces, it is lightweight, but some users might prefer an even lighter option for extensive travel. This monocular is an excellent choice for outdoor enthusiasts seeking a reliable and sturdy viewing device with clear optics and a robust warranty.

The Monocular-Telescope 80x100 HD for Adults offers an impressive 80x magnification and a 100mm objective lens, making it suitable for a variety of outdoor activities like bird watching, hunting, and hiking. Its fully multi-coated lenses and BAK-4 prism enhance light transmission and image clarity, ensuring bright and sharp visuals.

The large objective lens diameter allows for a broad field of view, which is beneficial for observing wildlife and landscapes. Additionally, this monocular is designed for one-handed use, featuring an adjustable eyecup that accommodates users with or without eyeglasses, providing comfort and ease of use during prolonged viewing sessions. It is also equipped with a smartphone adapter and tripod, enabling stable imaging and extended viewing distances when used with a phone camera.

However, at 1.39 pounds and dimensions of 7.2 x 3.1 x 4.1 inches, it is relatively large and may feel bulky for some users to carry around. Also, while the monocular is likely to be durable and practical given its high power output and lens quality, it is essential to confirm if it is fully waterproof and fogproof to ensure it withstands various outdoor conditions. This monocular can be an excellent gift for outdoor enthusiasts.