Celestron Regal ED 10x42

• ED objective lenses: Extra-low dispersion glass reduces color fringing and improves contrast, so fine feather detail, distant game, and high-contrast subjects stay cleaner and more natural in difficult light.
• Flat field optical design: The image remains sharp farther toward the edge of the view, which makes scanning woodland edges, shorelines, and open country more relaxed and helps keep moving subjects in view.
• 10x42 configuration: This classic format gives useful reach for birding and hunting while the 42 mm objectives and 4.20 mm exit pupil maintain a bright, steady image for all-round daytime use.
• Long 20.20 mm eye relief: The generous eye relief and twist-up eyecups make the binocular easier to use with or without glasses, helping users settle into a full field of view quickly.
• Waterproof, nitrogen-filled housing: Sealed construction and nitrogen filling help prevent internal fogging and keep the binocular dependable in rain, cold mornings, and changing outdoor conditions.

About the Regal ED Series

The Celestron Regal ED series sits in the brand’s higher-grade field optics range and is built for users who want more than a basic general-purpose binocular. In this family, Celestron combines ED objective lenses with flat field optics to deliver a view that is not only sharp in the center, but also better corrected toward the edges than many conventional designs. That matters in practical use because birders, wildlife observers, and other demanding users often spend long periods scanning broad scenes rather than looking at a single fixed point.

The series is designed around roof prism construction for a compact, easy-to-carry shape, while premium prism and lens coatings are used to preserve brightness, contrast, and color fidelity. Celestron positions Regal ED as a performance-oriented line for observation in the field, especially where accurate color, close focus capability, and comfortable handling are important. The combination of weather-sealed construction, tripod adaptability, and eyeglass-friendly viewing gives the series a broad role across bird watching, nature study, and hunting optics, with an emphasis on optical refinement rather than sheer size or weight reduction alone.

About the Celestron Regal ED 10x42

The Celestron Regal ED 10x42 is the most versatile format in the line for users who need a binocular that can cover both near and mid-distance observation without becoming bulky. Its 10x magnification provides enough reach to judge detail on distant birds, animals, or landscape features, while the 42.00 mm objective lenses keep the instrument practical for everyday carry and bright enough for early morning or late afternoon use. With a field of view of 113.00 m/1000m, it remains wide enough for tracking movement through woodland, hedgerows, or open terrain.

What makes this model especially useful in the field is the way its optical design supports real observation rather than just headline specifications. The ED glass helps suppress chromatic aberration, so dark branches against bright sky or pale plumage in hard light show less distracting color fringing. Flat field correction helps maintain a more even image across the view, which reduces the need to constantly re-center subjects. The close focus of 1.50 m also broadens its role, making it suitable for butterflies, plants, and other nearby subjects in addition to distance viewing.

Handling is equally well judged. The roof prism layout keeps the body slim, the 768.00 g weight gives it a stable feel without becoming overly heavy, and the long 20.20 mm eye relief supports comfortable use with glasses. Fully multicoated optics, waterproof construction, nitrogen filling, and tripod adaptability round out a binocular that is well suited to bird watching, wildlife observation, and general outdoor use where image quality and dependable field handling matter most.

About Celestron

Celestron was founded in 1960 as Celestron-Pacific, originally an astro-optical division of Valor Electronics. The company is based in Torrance, California, United States, and has long focused on accessible optical instruments for both astronomy and terrestrial observation. Its product range includes telescopes, binoculars, spotting scopes, microscopes, and related optical products, giving the brand broad experience across different viewing applications.

Within sport optics, Celestron offers binoculars, spotting scopes, and monoculars for general outdoor use, with lines that cover everything from entry-level observation to more specialized long-distance and astronomical viewing. That breadth is relevant to the Regal ED series, because it shows a design approach shaped by both field use and optical performance. In binoculars, Celestron is known for offering distinct families for different tasks, including compact everyday models and larger instruments intended for long-range terrestrial or sky observation.

Main Features

• Series: Celestron Regal ED
• Magnification: 10.00 x
• Objective lens diameter: 42.00 mm
• Prism type: Roof - Schmidt/Pechan
• Field of view: 113.00 m/1000m
• Angular field of view: 6.50 °
• Exit pupil: 4.20 mm
• Eye relief: 20.20 mm
• Close focus: 1.50 m
• Lens coating: Fully Multicoated
• Length: 152.00 mm
• Width: 130.00 mm
• Height: 57.00 mm
• Weight: 768.00 g
• Nitrogen filled: Nitrogen
• Waterproof: Yes
• Tripod adaptable: Yes
• Color: Black

Warranty

2 years. Celestron states a 2-year warranty for this binocular, matching the stated warranty period for this model.

In the Box

• Carrying case
• Objective lens and eyepiece caps
• Neck strap
• Carrying harness
• Lens cloth
• Quick start guide