System.InvalidCastException: Conversion from type 'DBNull' to type 'String' is not valid. at Microsoft.VisualBasic.CompilerServices.Conversions.ToString(Object Value) at productDetail.Page_Load(Object sender, EventArgs e) TUSA | Masks | ML-28S PRO AR-UV Lens

面镜

ML-28S PRO AR/UV Lens

Model Number: ML-28S

ML-28S镜头提高知名度的潜水员。他们使用的CrystalView光学玻璃，它使用更多的光线营造一个清脆悦耳的愿景。透镜也具有紫外线和防反射处理。紫外线处理保护潜水员的眼睛免受有害UVA和UVB射线。防反光处理减少给更好的整体视觉水下内部和外部的反射光。兼容：M-212，M-28，M-40和TM-7500Q

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ML-28S镜头提高知名度的潜水员。他们使用的CrystalView光学玻璃，它使用更多的光线营造一个清脆悦耳的愿景。透镜也具有紫外线和防反射处理。紫外线处理保护潜水员的眼睛免受有害UVA和UVB射线。防反光处理减少给更好的整体视觉水下内部和外部的反射光。兼容：M-212，M-28，M-40和TM-7500Q

特色

技术

Anti-Reflective (A/R) Lens Treatment
Standard glass lenses can reflect up to 15% of available light reducing vision underwater. TUSA’s Anti-Reflective (A/R) Lens Treatment decreases internal and external reflected light. This reduction increases light transmission to 95% resulting in significantly enhanced color, clarity, contrast and better overall vision underwater.
CrystalView Optical Glass
CrystalView optical glass lenses provide superior clarity, color, and transmission of light over standard glass lenses used by the competition. Up to 15% of available light can be lost with a standard glass lens due to impurities and reflectivity. TUSA’s CrystalView lenses transmit up to 95% of available light to the diver for clear crisp vision.  CrystalView lenses are used in all PRO models masks. Read more
UV Lens Treatment
Increased exposure to UV light can damage the eyes especially in marine environments where reflectivity is high. TUSA’s UV Lens Treatment provides 100% protection from harmful UVA and UVB rays. Blocking 100% of the ultraviolet spectrum (under 400nm) provides greater eye protection without sacrificing light transmission or vision.