B00SJ0WB96 Visionking Spotting Scope 30-90x100SS Large Ocular

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RainGuard HD water-repellent lens coating 2-speed dual focus controls O-ring sealed,100%waterproof Bak-4 prisms that maximizes light transmission fullly multi-coated optics for superior brightness
Large eye lens for comfortable viewing Twist-up eyecups 30x-90x Zoom eyepiece.large 100mm lens Retractable sunshade
Weight:97(Ounce); Waterproof:Yes;Fofproof:Yes; Coating Fully Multi-Coated
Dry Nnitrogen-Purged and Sealed, 100% fogproof
Close Focus Distance:32.80 (ft)