The Pentax SD 10x42 Waterproof is a lightweight polycarbonate roof prism binocular that is waterproof and nitrogen-filled. The FMC coating and phase-corrected BaK-4 prisms produce a bright and contrasting image even in low light.

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A respected and trusted classic has been given a new, modern design. The Pentax SD WP roof prism binoculars meet the traditional demand for the most popular 8x and 10x magnifications on the market, offering the benefits of a full-frame binocular in an exceptionally lightweight and easy-to-handle package. With a durable polycarbonate body, these binoculars are the perfect choice when you want to combine low weight with top-notch optical performance without compromise.
The binoculars utilize all the best optical innovations from Pentax's acclaimed roof prism range. The new Enhanced Light Transmission Coating, combined with Fully Multi-Coated, creates a crystal-clear, sharp and high-contrast image even in low light. The high-quality BaK-4 prisms are equipped with a Phase Correction coating, which effectively prevents chromatic aberrations and ensures natural color reproduction and precise resolution.
The durable construction is ready for even the most challenging conditions. The waterproof and dustproof body is nitrogen-filled, which prevents internal fogging of the optics during sudden temperature changes. The outer lens surfaces are treated with a protective coating that repels dirt, water and grease and protects against scratches. The binoculars also feature smooth-running Inner Focus Optics, which keeps the external dimensions unchanged and the balance stable during focusing. The viewing comfort is completed by 4-position, rotatable eyecups (helicoid eyecups), which make the binoculars also ideal for eyeglass wearers.
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