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Fully multicoated lenses for maximum light transmission Phase coating & silver deposited prisms allow maximum light transmission for sharp, high contrast images Protective hydrophobic coating to repel water, oil, dust and dirt. Waterproof & nitrogen purged to handle the most extreme weather conditions. 20x Magnification
AmazonPentax SP 20x60Wp Width: 195 mm Depth: 224 mm Dimensions: height: 85 mm