Oberwerk 25x100 Ultra ED Binoculars

BH #OB25X100EDU • MFR #OB25X100EDU
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Oberwerk 25x100 Ultra ED Binoculars
Key Features
  • Individual Focus Eyepieces
  • BAK4 Porro Prisms
  • Extra-Low Dispersion Objective Lenses
  • Fully Broadband Multicoated Optics
Built for comfortable both-eyes-open astronomy or very long-range terrestrial observation, the 25x100 ED Ultra Binoculars from Oberwerk feature powerful magnification and large objective lenses. Included is an adapter for a tripod, which will be necessary to support this oversize optic. The extra-low dispersion objective lenses all but eliminate chromatic aberration and antireflection broadband multicoating on all air-to-glass surfaces create crisp, high-contrast images. The eyepieces can be individually focused for precise adjustment.
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Oberwerk Ultra ED 25x100 Overview

Built for comfortable both-eyes-open astronomy or very long-range terrestrial observation, the 25x100 ED Ultra Binoculars from Oberwerk feature powerful magnification and large objective lenses. Included is an adapter for a tripod, which will be necessary to support this oversize optic. The extra-low dispersion objective lenses all but eliminate chromatic aberration and antireflection broadband multicoating on all air-to-glass surfaces create crisp, high-contrast images. The eyepieces can be individually focused for precise adjustment.

The 25x100 ED Ultra's lightweight magnesium alloy housing is nitrogen-filled for fog and waterproof performance. The chassis is wrapped in gray rubber armoring for slip and shock resistance as well as a comfortable grip.

Optical Performance
  • Magnification: 25x
  • Objective lenses: 100mm diameter
  • Extra-low dispersion objective lenses minimize chromatic aberration
  • Full antireflective multicoating on all air-to-glass surfaces reduces glare and improves contrast
  • Porro prism design, BAK4 prism glass
  • Individually adjusting eyepieces for precision focus
Construction Details
  • Lightweight magnesium alloy body
  • Slip-resistant rubber armoring
  • Nitrogen-filled for fog and waterproof performance
  • Floating plate prism mounts protect collimation from bumps and impacts
  • Integrated tripod adapter
UPC: 854951002404

Oberwerk Ultra ED 25x100 Specs

Key Specs
Prism Type
Porro (BAK4)
Magnification
25x
Objective Lens Diameter
100 mm
Angle of View
2.6° (Actual)
Field of View
136.5' / 45.3 m @ 1000 m
Exit Pupil Diameter
4 mm
Prism Type
Porro (BAK4)
Performance
Magnification
25x
Objective Lens Diameter
100 mm
Angle of View
2.6° (Actual)
Field of View
136.5' / 45.3 m @ 1000 m
Minimum Focus Distance
65.6' / 20 m
Exit Pupil Diameter
4 mm
Eye Relief
17 mm
Interpupillary Adjustment
2.2 to 3" / 57 to 75 mm
Diopter Adjustment
Yes
Focus Type
Individual
Image Stabilization
Reticle
No
General
Fogproof
Yes: Nitrogen Filled
Environmental Resistance
Water-Resistant (Unrated)
Dimensions
18 x 10 x 4" / 45.7 x 25.4 x 10.2 cm
Weight
10 lb / 4.5 kg
Packaging Info
Package Weight
24 lb
Box Dimensions (LxWxH)
20.7 x 13.6 x 8.7"

Oberwerk Ultra ED 25x100 Reviews

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