The Swift 8.5x44 Audubon binocular is made to deliver high optical performance for bird watching. Committed to maintaining high standards, Swift continues to meet birders' expectations. It has a generous 5.2mm exit pupil sufficient to accommodate all viewers. The 8.5x44 Audubon binoculars are flat-field, distortion free and focus relatively close. Its BaK4 prisms are specially multi-coated to produce sharp edge-to-edge images. The binocular is bright, steady, and performs extremely well in low light situations whenever needed. Waterproof, nitrogen purged, and shock resistant, this binocular is fully submersible. It is built to withstand water pressure up to 15 feet and can sustain extreme abuse. That is why the 8.5x44 Audubon binocular is favored by outdoor enthusiasts all over the world.
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Key Features
- Waterproof
- Fogproof
- Roof Prism
- 6.4° Angle of View
The Swift 8.5x44 Audubon binocular is made to deliver high optical performance for bird watching. Committed to maintaining high standards, Swift continues to meet birders' expectations. It has a generous 5.2mm exit pupil sufficient to accommodate all viewers. The 8.5x44 Audubon binoculars are flat-field, distortion free and focus relatively close. Its BaK4 prisms are specially multi-coated to produce sharp edge-to-edge images. The binocular is bright, steady, and performs extremely well in low light situations whenever needed. Waterproof, nitrogen purged, and shock resistant, this binocular is fully submersible. It is built to withstand water pressure up to 15 feet and can sustain extreme abuse. That is why the 8.5x44 Audubon binocular is favored by outdoor enthusiasts all over the world.
More DetailsSwift 828 Overview
The Swift 8.5x44 Audubon is waterproof and nitrogen purged, externally sealed and individually tested to assure waterproofing. It is also tested to withstand sudden temperature change without internal fogging.
BaK4 prisms to deliver maximum light transmission
Fully Multi-Coated optics produce bright and sharp views of objects
O-ring sealed and Nitrogen purged make it all-weather resistant
Astounding eye relief of 19mm for comfortable and extended observations even with eyeglasses
Swift 828 Specs
| Magnification | |
| Objective Lens Diameter | |
| Angle of View | |
| Minimum Focus Distance | |
| Exit Pupil Diameter | |
| Eye Relief | |
| Interpupillary Adjustment |
Swift 828 Reviews
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