From the Leupold website:
Leupold Golden Ring HD Binoculars are high-performance optics that feature superior color fidelity, contrast, and resolution, thanks to superior technology including the Leupold exclusive Index Matched Lens System, HD technology and DiamondCoat lenses. High-definition, calcium-fluoride lenses and plasma-coated prisms push that performance to the very limits. The clarity, brightness, contrast, and color fidelity are stunning, even to sophisticated binocular users.
Leupold Golden Ring HD Binoculars are high-performance optics that feature superior color fidelity, contrast, and resolution, thanks to superior technology including the Leupold exclusive Index Matched Lens System, HD technology and DiamondCoat lenses. High-definition, calcium-fluoride lenses and plasma-coated prisms push that performance to the very limits. The clarity, brightness, contrast, and color fidelity are stunning, even to sophisticated binocular users.
