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Seeing is believing with the Celestron 72023 Ultima DX 9 x 63 waterproof binoculars. The Ultima series has always been one of Celestron's most highly respected line of binoculars.
Combining superb optics, quality construction, and affordability, the new Ultima DX series is perfect for the serious bird watcher who demands a binocular that is lightweight and easy to use, or the outdoor enthusiast who relies on rugged durability and resistance to the elements.
The new design elements of the Ultima DX series include a waterproof body, shock-resistant rubber covering, and twist-up eyecups. Ultima DX binoculars provide superb image quality with BAK-4 prisms, fully multi-coated optics, diopter adjustment for sharp focusing, and they are super lightweight for their aperture size. With long eye relief for comfortable viewing and an excellent depth of field that provides a good overview without the need for constant refocusing, all Ultima DX models are excellent for all kinds of long distance viewing. And with large fields of vision, these binoculars are well-suited for astronomical and other low-light observation.
The Celestron 72023 features an 9x magnification and an objective lens diameter of 63 millimeters, giving it a 7-millimeter exit pupil. (The exit pupil size -- the diameter of the objective lens divided by the magnification -- determines the amount of light available to your eye. The larger the exit pupil, the brighter the image obtained will be. A three-millimeter exit pupil is generally sufficient for daytime use, five-millimeters is suitable for daytime and twilight, and seven-millimeters is generally necessary for maximum nighttime or astronomy use.)
What's in the Box
Celestron 72023 Waterproof Binoculars and soft carrying case
Multi-coated optics for a clear view
Waterproof nitrogen-filled and sealed body
Suited for both terrestrial and astronomical use
Shock-resistant rubber covering for a secure grip
Twist-up rubber eyecups for a snug fit