
Vy Custom High Precision Optical Bk7 K9 Glass Dome Hyper Hemispherical Quartz UV Fused Silica Protective Cover Port for Underwater Camera. High Transmittance: Optical dome lenses offer transmittance greater than 95% for superior light performance. Customized Dimensions: Available in diameters from 3mm to 460mm and thickness from 0.5mm to 4mm. Premium Materials: Constructed from high-quality BK7, Fused Silica, or Sapphire glass. Precision Surface Quality: Achieves 60/40 surface quality standard for high-precision optical applications. Custom Coating Options: AR Coating and other specialized coatings available as per customer request. Versatile Applications: Ideal for detectors, optical sensors, cameras, lighting, and photography. Certified Quality: Products certified with RoHS, ISO9001, and CE standards.