Pentax 10x50 PCF WP Binoculars offers a fully waterproof, nitrogen-filled body,outstanding optical performance with aspherical optical elements, excellentviewing comfort and a stylish body design. In addition, it is fully encased in aprotective rubber housing. Because of its rugged waterproof and fog-proofdesign, the Pentax 10x50 PCF WP is ideal for use around and on the water, aswell as for observations in harsh weather and extreme climates. Features of Pentax 10 x 50 PCF WP Binoculars: The Pentax PCF WP Binoculars line features six high-performance, waterproof models including the 8x40 PCF WP with 40mm objective lens; the 7x50, 10x50 and 12x50 PCF WP, each with 50mm objective lens; and the 16x60 and 20x60 PCF WP, both featuring an extra-large 60mm objective lens. The waterproof and fogproof body of these PCF WP models is rated JIS Class 6 (submersible down to 1 meter depth of water), allowing them to be washed clean when they get dirty or are accidentally soaked in salt water. They have fully multi-coated optics to eliminate harmful ultraviolet rays while improving light transmission for high contrast images with no glare or flare. High quality BaK-4 prisms transmit more light at the edges to enhance illumination for easier viewing in dim light. All models incorporate aspherical optical elements to produce clear, bright images with minimal distortion. Pentax 10x50 PCF WP Binoculars offers a fully waterproof, nitrogen-filled body,outstanding optical performance with aspherical optical elements, excellentviewing comfort and a stylish body design. In addition, it is fully encased in aprotective rubber housing. Because of its rugged waterproof and fog-proofdesign, the Pentax 10x50 PCF WP is ideal for use around and on the water, aswell as for observations in harsh weather and extreme climates. Features of Pentax 10 x 50 PCF WP Binoculars: The Pentax PCF WP Binoculars line features six high-performance, waterproof models including the 8x40 ...