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ESS 5B Replacement Lenses. ESS 5B Replacement Lenses provide 100% UVA/UVB protection and meet FEderal OSHA and ANSI Z87.1-2010 standards. All of the non-polarized lenses meet and exceed the US MIL SPEC-PRF-301013 (Clause 3.5.1.1). The lenses are made of high-impact 2.2mm polycarbonate material.

ESS 5B Replacement Lens Features:

• 100% UVA/UVB protection
• Compliant U.S. Federal OSHA and ANSI Z87.1-2010 standards
• Constructed of 2.2mm polycarbonate
• Available lens colors: Clear, Mirrored Copper, Mirrored Gray, Polarized Mirrored Gray and Smoke Gray

Visible Light Transmittance (VLT) represents the percentage of light allowed to pass through a lens. For example, a lens with a VLT of 23 admits 23% of visible (non-UV) light, filtering out the remaining 77%. The lower the VLT, the darker the lens.

ESS 5B Replacement Lens VLT's:

• Clear: 88% / For use indoors or at night
• Mirrored Copper: 23% / For flat to bright light
• Mirrored Grey: 12% / For medium to extremely bright light
• Polarized Mirrored Gray: 9% / For intense, blinding sun & reflective surfaces
• Smoke Grey: 15% / For medium to bright light

ESS 5B Replacement Lens Color Uses:

• Clear: Has no influence on contrast or color
• Mirrored Copper: Improves contrast & depth perception in blues & greens, while reflecting glare
• Mirrored Gray: An all-purpose lens that reflects glare with unbiased influence on color
• Polarized Mirrored Gray: Most effective at cutting glare, has unbiased influence on color
• Smoke Gray: An all purpose daytime lens with unbiased influence on color