Celestron Regal ED 10x42

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  • Technical Features

Technical Features for Celestron Regal ED 10x42

The Celestron 71391 Regal ED 10x42mm Roof Binoculars features ED objective lenses and flat field lenses, these binoculars provide sharp, expansive views and of a high degree of accurate color resolution. With both ED objective lenses and flat field lenses, these binoculars provide sharp, expansive views and of a high degree of accurate color resolution. From their vivid, true-to-life color resolution, expansive fields of view for ease of locating fast moving objects, and 4.9 foot close focus distance to get an even closer look when a subject suddenly pops out of the bushes and right on the trail in front of you, the Regal ED binoculars provide everything needed for the most selective of binocular users – which ensures that they’re up to the challenge across a wide-range of other activities.

The Regal ED binocular features flat field optical technology that counter-balances the normal visual field curvature convex lenses naturally show, delivering an expansive linear image all the way to the edges of the field of view. Regal ED features fully multi-coated optics. Regal ED 10x42mm features a close focus of just 4.9 feet, making it perfect for viewing birds, butterflies, plants, or other nearby subjects. Carry your Regal ED with the included padded strap or on the cross-body carry harness for additional comfort.

71391 Features:

  • Roof Binoculars
  • Fully Multi-Coated Lens
  • BAK-4 Roof Prisms
  • Phase & Dielectric Coatings f/ Maximum Contrast
  • Waterproof
  • 10x Magnification
  • 42 mm ED Objective Lens
  • Flat Field Technology
    - Ensures Level, Edge-to-edge Image Clarity
  • Twist-up Eyecups with Multiple Stops
  • Well-balanced, Ergonomic Industrial Design
  • SKU: 71391


Diameter: 42mm (1.65 in)
Magnification: 10 x
Angular Field of View (deg): 6.5°
Linear Field of View (@1000 yds): 340 ft (113 m)
Exit Pupil (mm): 4.27 mm (.16 in)
Eye Relief (mm): 20.2 mm (.79 in)
Close Focus: 4.9 ft (1.5 m)
IPD Max: 74mm (2.91 in)
IPD Min: 56mm (2.20 in)
Diopter Adjustment Range: ±2
Twilight Factor: 20.49
Relative Brightness:27.04
Limiting Stellar Magnitude:Ideal: 10.62
Moderate: 9.62
Poor: 8.62
Lens Coatings: Fully Multi-Coated
Environmental Protection: Waterproof
Nitrogen Filled:Yes
Tripod Adaptable:Yes
Carrying Case:Black Woven Cloth Covered Hard Case, Zipper Closure, with Detachable, Adjustable Shoulder Strap
Prism Coatings:Phase and Dialectric Coated
  • Carrying Case
  • Objective Lens and Eyepiece Caps
  • Neck Strap
  • Carrying Harness
  • Lens Cloth
  • Quick Start Guide
The Celestron Regal ED 10x42 has many exciting features for users of all types. It's one of FactoryOutletStore's best selling . You can extend the lifetime of your Celestron Regal ED 10x42 with the purchase of a FactoryOutletStore Factory Protection Plan. See the Celestron Regal ED 10x42 gallery images above for more product views. The Celestron Regal ED 10x42 is sold as a Brand New Unopened Item.