Celestron Regal ED 8x42 ROOF Binocular

Celestron Regal ED 8x42 ROOF Binocular

The Regal ED Flat Field Binoculars continue the legacy of Celestron’s highly regarded Regal ED spotting scope series. By combining ED objective lenses with flat field optical technology, these binoculars deliver exceptionally sharp, wide-angle views with outstanding color accuracy across the entire field.

Positioned as Celestron’s flagship performance-level field binoculars, the Regal ED series is purpose-built for the most demanding users-especially birders. From lifelike color reproduction and wide fields of view that make tracking fast-moving subjects effortless, to an ultra-close 4.9-foot focusing distance that reveals fine detail when wildlife appears unexpectedly nearby, Regal ED binoculars are engineered to satisfy even the most critical observers. Their versatility also makes them equally capable across a wide range of outdoor activities.

ED Objective Lens Technology

The Regal ED binoculars utilize Extra-Low Dispersion (ED) glass, which dramatically reduces chromatic aberration-commonly seen as color fringing caused by light dispersion through optical elements. By minimizing this effect, Regal ED delivers images with natural, accurate color and exceptional clarity.

Celestron’s premium-grade ED objective lenses stand apart from standard ED implementations, producing visibly brighter and sharper images than non-ED binoculars. This performance advantage becomes especially noticeable in low-light situations such as dawn and dusk.

Flat Field Optical Design

Beyond ED glass, Regal ED incorporates flat field lens technology to correct the natural curvature typically found in optical systems. This design ensures that images remain sharp and distortion-free from the center all the way to the edges, providing a wide, linear viewing experience across the entire field of view.

Coatings and Prisms

Regal ED features fully multi-coated optics. A binocular can be considered “fully multi-coated” when all air-to-glass surfaces are coated with multiple layers of anti-reflectivity coatings so that the maximum amount of light passes through the glass to the eye.

The prisms inside Regal ED are made of high quality BaK-4 glass with phase coatings applied so that more light is reflected off their internal faces and passes through to the eye.

Taken together, the fully multi-coated lenses and BaK-4 prisms maximize light transmission for the remarkably bright, highly detailed images. The ED objective lenses further enhance these features, especially in low light conditions.

The Body

The well-balanced, ergonomic industrial design magnesium alloy body protects your Regal ED binoculars from damage without weighing you down. Viewing through Regal ED is comfortable for both eyeglass wearers and non-eyeglass wearers, thanks to the durable metal twist-up eyecups. Twist through multiple click stops to find the position that works best for you. What’s more, the binocular is fully waterproof and filled with dry nitrogen gas to prevent internal fogging of lenses. Regal ED can stand up to even the toughest outdoor conditions.

Ideal for Close and Distant Observation

With a close focus distance of just 4.9 feet, the Regal ED 8x42mm model excels at observing nearby subjects such as birds, butterflies, and plants. For long-distance viewing, the wide field of view allows smooth tracking of moving subjects with minimal repositioning.

Flexible Viewing & Premium Accessories

Carry your Regal ED comfortably using the included padded neck strap or cross-body carry harness. The binoculars are also tripod-adaptable, allowing mounting on any standard photographic tripod for extended observation or digiscoping (tripod adapter sold separately).

Protection is thoughtfully addressed with a one-piece eyepiece cover, tethered objective lens covers, and a premium hard-shell case for safe storage and transport—ensuring your optics stay protected both in the field and at home.