9 Best Orion Astronomy Binoculars 2025 in the United States

The Celestron SkyMaster 15-35x70 binoculars are designed for astronomy and long-distance outdoor viewing, offering a strong zoom range from 15x to 35x magnification. Their large 70mm objective lenses gather a lot of light, which is great for seeing faint objects in low-light conditions like dawn, dusk, or night sky viewing. The BaK-4 prisms help provide bright and clear images, which is important when stargazing.

These binoculars are quite heavy at around 3.3 pounds and large, so they are best used with a tripod to keep your view steady, especially at higher magnifications. The built-in tripod adapter makes this easy to set up but keep in mind a tripod is not included. Coatings on the lenses and the water-resistant rubber armor improve durability and grip, making them suitable for outdoor use even in less-than-ideal weather. While the zoom feature adds flexibility, very high magnifications like 35x can make it harder to hold the image steady without a tripod.

Due to their size and weight, these binoculars might not be the best choice if you want something very portable or for quick handheld use. However, for those seeking powerful, clear views of the night sky or distant landscapes and who don’t mind using a tripod, these binoculars present a solid option backed by a lifetime warranty and good customer support from a trusted brand.

The Celestron SkyMaster 25x70 Binocular is designed for outdoor and astronomy enthusiasts who need powerful magnification and large objective lenses. With a 25x magnification and 70mm objective lens diameter, it provides excellent detail for long-distance viewing and astronomical observation. The binoculars are equipped with BaK-4 prisms, which enhance brightness and clarity, making them ideal for low-light conditions such as dawn, dusk, or nighttime stargazing. The multi-coated optics also contribute to sharp and vivid images.

A notable feature is the built-in tripod adapter, which allows easy attachment to a tripod for steady viewing, although the tripod itself is not included. The binoculars are housed in a durable, rubber-armored casing that is water-resistant, ensuring protection against rough handling and unexpected weather. Weighing 3.1 pounds, they are relatively heavy, which makes tripod use essential for prolonged viewing sessions.

The included carrying case adds convenience for transport and storage. The Celestron SkyMaster 25x70 is a solid choice for adult users who are serious about long-distance and astronomical viewing.