Waterproof and fog-free with nitrogen gas filling.

• Waterproof (up to 1 meter for 5 minutes) and fog-free with nitrogen gas filling
• High-eyepoint design provides a clear field of view even for eyeglass wearers
• Turn-and-slide rubber eyecups with multi-click facilitate easy positioning of eyes at the correct eyepoint
• Wide field of view (except 7x50CF, 16x50CF)
• Multilayer-coated lenses and large objective diameter for optimal image clarity
• Rubber armouring for shock resistance and a firm, comfortable grip
• Eco-glass optics are free of lead and arsenic
• Aspherical eyepiece lens eliminates image distortion