B000OXMMOA Orion 9544 10×50 Resolux Waterproof Astronomy Binoculars

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These rugged 10-power binoculars boast high-resolution, flat-field optics
Ideal binoculars for scanning the starry skies, or for daytime terrestrial use viewing birds, wildlife, and scenery
Fully waterproof and nitrogen purged to prevent lens fogging when using in damp environs
50mm objective lenses provide bright views across a wide 6.5-degree field of view
High-quality BAK-4 prisms and advanced multi-coatings on all optical surfaces provide maximum light throughput for bright views rich in contrast