Zeiss 8x32 Conquest HD Binocular with LotuTec Protective Coating (Black) Best used for birdwatching, nature observation, travelling, outdoor activities HD lens system for superb color rendition T premium lens coatings for supreme brightness LotuTec external lens coatings shed moisture and resist scratching New 5-Year No Fault Policy + Limited Lifetime Warranty Zeiss Conquest HD Binoculars Both Optics And Performance Are Guaranteed To Impress. Nature never stops and neither does Zeiss. This becomes particularly clear with the Conquest HD. A revolution in design, ergonomics and optics. Coating: LotuTec/T* Nitrogen filling: Yes Water resistance: 400 mbar Functional temperature range: -20/+63 °C