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Brunton 15x51 Eterna ELO Binocular (Grey)

B&H # BR15X51E Mfr # F-E1551
Discontinued

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This item has been discontinued by the manufacturer and is no longer available.


Product Highlights
  • BAK4 Prisms with Phase-Correction
  • Fully Multicoated Optics
  • Nitrogen-Filled Fogproof / Waterproof
  • Click-Stop Eyecups
  • 15mm Eye Relief
  • Composite Armored Body

The grey 15x51 Eterna ELO Binocular from Brunton is a fixed-power binocular designed for long-range glassing. Fully multicoated optics and phase-corrected BaK-4 prisms transmit bright images that are as rich in detail as they are in contrast. This model of the Eterna series is configured with 51mm Extra Large Objective lenses that deliver an impressive light gathering ability that is most useful in low-light conditions. A long eye relief, ergonomic composite body armor, and weatherproof construction make the Eterna a full-featured binocular ready for years of adventures. 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.

Extra Large Objective (ELO) Lenses
A wide objective lens improves the light gathering ability of a binocular. This feature is especially useful when glassing in hazy or low-light conditions.
Phase-Corrected BAK4 Roof Prisms
Phase-aligning and highly reflective AL coatings enable the prisms to evenly transmit color across the visible spectrum. The resulting images pop with detail and lifelike saturation. Phase-correcting coatings also enhance image clarity and eliminate the distracting color fringing common in lower quality optics.
Fully Multicoated Optics
Brunton's proprietary Emerald Fire multilayer lens coatings minimize reflections within the optical channels 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 binocular will continue to display bright and clear images.
Click-Stop Eyecups
Multi-step twist-up rubber eyecups click in place and allow observers to optimize the eye relief and field of view.
Tripod Mountable
An optional tripod adapter enables secure mounting to a tripod, monopod, or window mount. This option will prove useful during extended-duration activities like bird watching and hunting.
Prism Type Roof
Magnification 15.0x
Objective Lens Diameter 51 mm
Angle of View 3.8° (actual)
Field-of-View 200' @ 1000 yd / 66.40 m @ 1000 m
Minimum Focus Distance 11' / 3.35 m
Exit Pupil Diameter 3.4  mm
Eye Relief 15  mm
Interpupillary Adjustment Not Specified By Manufacturer
Dioptric Correction Not Specified By Manufacturer
Focus Type Center
Tripod Mount Yes (Adapter Optional)
Dimensions 6.7 x 5.2 x 2.3" / 17.02 x 13.21 x 5.84  cm
Weight 32 oz / 907 g
Brunton 15x51 Eterna ELO Binocular (Grey)
  • Lifetime Limited Warranty
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    Tripod Adapters

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