Fully Multi Coated – Multiple layers of anti-reflective coating on all air-to-glass surfaces deliver bright, high-contrast images. Argon Purged Fog-Proofing – Argon-filled optics remain stable regardless of ambient temperature for the ultimate fog-proof protection. IPX7 Waterproof construction – O-ring sealed optics stay dry inside, when immersed in three feet of water for up to 30 minutes.
