Product Name: Optical K9 Glass Dia. 188.20mm Plano Convex Spherical Lens for Automobile Model NO.: VY-SPCX102 Coating: Customized Customized: Customized Certification: RoHS, ISO9001 Lenses Color: Clear Material: Optical Glass Shape: Single-lens Transmittance: >95% Type: Convex Lens Usage: Optical Dia. 188.20mm: 7.41 Trademark: VY or OEM Transport Package: As Requested Specification: RoHS, SGS Origin: China HS Code: 9001909090 Product Description >> Product Description• VY Optics Photoelectric Technology supply spherical lenses.Include plano-convex spherical lens, plano-concave spherical lens, bi-convex spherical lens, bi-concave spherical lens, meniscus spherical lens, special spherical lens etc.Plano-Convex Spherical Lens is widely use in optical display systems, projection optics systems, imagining optical systems, and laser measurement systems. It is best use where conjugatepoint-- object distance, S or image distance S' is more than five times of the other. This lens is almost the most super form for both collimatinga point source and focusing collimated light;+ Picture show of our spherical lenses>> SpecificationMaterial: BK7 or other materialsFocal length: +/-1%Center thickness tolerance: +/-0.01mmCentration: 1arc minutesSurface Figure: Lambda/2 at 633nm on plano sideSurface quality: 40/20 stratch/digClear Apenture> 90%Chamfer Protective: 0.25mm at 45 degree typicalCoating: Optional>> Precision of specification we can achieveRange 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, includingachromatic lens,dome lens,filter,prism,ball lens,cylindrical lens,optical mirrors,spherical lensandrod lens, we can fabricatehigh-precision lensas 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.