8X42 Binoculars for Adults, Bak4, Lanthanide ED Glasses, FMC, Wide FOV, Long Eye-Relief, Nitrogen Purged Waterproof, Fogproof, Shockproof, Ideal for Hunting, Bird Watching, Travel, Outdoors. Lanthanide ED Glass: Reduced chromatic aberration, spherical aberration, improved light transmission, it grants exceptional brightness, great color fidelity and also maintains high performance in low light conditions.
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