Saphhire Hemispherical Dome Lens for Subsea Camera

>> Product Description    The hemisphere dome we manufactured be used to protect the lens of underwater camera, which could resist the pressure of water, and give a best view field to catch picture.  >> SpecificationSpecification of hemisphere dome we could supplied as follow:  Materials: BK7 glass, UV fused silica etc., various types of optical glass.  Diameter: From 10 to 250 mm.  Diameter Tolerance: 0.1 mm, standard; 0.01 mm - attainable.  Surface Quality: 60/40 Scratch/Dig, standard; 20/10 Scratch/Dig, attainable depending on material type and combination of other parameters.  Power/Irregularity: 5/1 (interference fringes), standard; 0.5/0.1 (interference fringes), attainable depending on material type and combination of other parameters. Aperture 60 deg.  Decentration: 0.05mm, standard; 0.01, attainable.  Range of diameterDia.0.7mm-Dia.400mmRange of curve radiusR1.5-R∞ etc.Tolerance of diameter+/-0.1, +/-0.01, +/-0.005 etc.Surface accuracyλ , 1/2λ , 1/4λ , 1/10λ  etc.Tolerance of Thickness+/-0.1, +/-0.05, +/-0.01 etc.Centration+/-2′,+/-1′ etc.Aperture N5, 1 etc.Irregularity ΔN2, 1, 0.5, 0.2 etc.Surface quality60/40, 40/20, 20/10, 10/5 etc.>> Company Introduction>>  Related Products     VY Optics could also manufacture and design other optical elements, including achromatic lens, dome lens, filter, prism, ball lens, cylindrical lens, optical mirrors, spherical lens and rod lens, we can fabricate high-precision lens as per your requested. >>  FAQQ:  Do you provide samples? Is it free or charged?  ·  We'd like to supply samples for free if we have it in stock, but we don't pay freight. Q:  How long is your delivery time? ·  Regarding inventory, it is 3 working days;   ·  For customized one, it's about 15-25 working days, depended on exact quantity and order date. Q:  Is it possible to customize special lens?  ·  Yes, to customize special optical element and coating are available here. Q:  How to pay?  ·  T/T, Alibaba online assurance payment, MoneyGram, West Union, Paypal and so on. Q:  How to ensure the safety of payment? ·  VY Optics is a reliable supplier not only audited on Alibaba, but also on Made-in-China, reputation and quality is life of our company, and we support Alibaba Trade Assurance. Q:  How do you ship goods?  · Low value sample: EUB, E Express of China Post, which is cheap;  · Light weight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;   · Heavy cargo: by air or by sea, ship on pallet. Our company enjoy a considerable discount owing to long-term cooperation with courier company.  Saphhire Hemispherical Dome Lens for Subsea Camera/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1