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Brunton Eterna 20-45x 62mm Spotting Scope, Straight Viewing, 17 mm Eye Relief, 27' Minimum Focus Distance

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About the Brunton 20-45x Spotting Scope

The Brunton Eterna 20-45x 62mm Spotting Scope (Straight Viewing) combines durable construction with next-generation optical advancements. Fluoride-containing extra-low dispersion glass objectives, fully multi-coated optics and AL coated BaK-4 prisms transmit bright, color-faithful images that are as rich in detail as they are in contrast. This model of the Eterna series is configured with a 20-45x magnification eyepiece, ideal for intermediate to long-range applications like bird watching and spotting at the range.

The integrated quick-alignment sighting tube, extendable sunshade and weatherproof housing make the Eterna a full-featured spotting scope for almost any observing adventure. Brunton Outdoor Group has been designing and manufacturing outdoor sporting equipment since 1894; whether you are a bird watcher, hunter, or hiker, Brunton has been making gear for nature enthusiasts like you for over a century.

Brunton 20-45x Spotting Scope Includes

  • Brunton Eterna 20-45x 62mm Spotting Scope
  • Interactive Neoprene Case
  • Brunton Lifetime Limited Warranty

Brunton 20-45x Spotting Scope Features

  • Extra-Low Dispersion (ED) Objective Lens: Brunton's premium Extra-Low Dispersion (ED) glass efficiently gathers light and delivers luminous images that rival the brightness of larger objective non-ED-glass spotting scopes
  • BaK-4 Prism Glass: High-quality prism glass maximizes internal reflectivity of light gathered by the lens elements. By ensuring that all light is transmitted through the eyepiece, images will be bright, sharp and color faithful
  • Fully Multicoated Optics: Brunton's proprietary Emerald Fire multilayer lens coatings minimize reflections within the optical channel and maximize contrast of transmitted images
  • Waterproof/Fogproof Construction: Nitrogen purged and o-ring sealed housing protects the optics from fogging in harsh weather. Even in driving rain and suffocating humidity, the rugged construction ensures that the Eterna spotting scope will continue to display bright and clear images
  • Multi-Step Eye Relief: Twist-up rubber eyecup clicks in place and allows an observer to optimize the eye relief and field of view for their comfort
  • Integrated Sunshade: Extendable sunshade is useful for shielding your field of view from stray light that degrades image quality and creates distracting light artifacts
  • Tripod Mountable: An integrated rotating tripod collar enables secure mounting to a tripod, monopod, or window mount. This feature comes in handy during extended-duration observations and digiscoping

Brunton 20-45x Spotting Scope Specifications

Magnification 20 - 45x
Objective Lens Diameter 62 mm
Field of View 95 - 58' (29 - 17.7 m) at 1000 yd
Minimum Focus Distance 27' (8.2 m)
Exit Pupil Diameter 3 - 1.3 mm
Eye Relief 17 mm
Weatherproofing Waterproof/fogproof
Weight 42.3oz (1.2 kg)
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