Vortex Binoculars are sealed with O-rings to prevent moisture, dust, and debris from getting inside the binocular and the barrels are filled with argon gas to inhibit internal fogging.
Vortex Binoculars are Argon Gas Purged to prevent corrosion. Argon Gas does not absorb or react chemically with water, maintains protective properties over a wider range of temperatures, extends the service life of the binoculars by not diffusing as quickly as other elements, and eliminates internal fogging.
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Product packaging, owners’ manuals, installation instructions, and/or operating instructions may include more information than what is shown on our website. The content on our site is intended to be used for reference purposes only. Please fully read all included manuals and documentation before installing or using this product. WARNING for California residents: this product may contain chemical(s) known to the state of California to cause birth defects, cancer, or other reproductive harm.