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Sorry, I misspelled hydrophobic
Yes, these are waterproof and fog proof. They also have hydrophic coatings and are excellent in the snow. Thank you for your interest
Yes, waterproof and fog proof, dry nitrogen purged.
yes, waterproof, fog proof, sealed tightly and dry nitrogen purged. Excellent in cold weather.
Yes, waterproof submersible, nitrogen purged.
Absolutely waterproof submersible. The products are dry nitrogen purged in a vacuum chamber. Ambient air is drawn out and replaced with dry nitrogen, them pressure tested and sealed. Excellent in cold temperatures. Note, in cold temperatures, if the exterior lenses are a different temperature than the environment, the exterior surfaces of the lenses may generate condensation, but the inside of the system is protected.