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Product Name: Optical Lasf11 Glass Plano Concave Cylinderical Lens Supplier Model NO.: VY004 Coating: Customized Customized: Customized Certification: RoHS, ISO9001 Lenses Color: Clear Material: Optical Glass Shape: Single-lens Transmittance: >95% Type: Bi-Convex Usage: Optical Size: 1 Inch Dimension Tolerance: +0.0--0.1mm Center Thickness: +/-0.1mm Clear Aperture: >90% Trademark: VY or OEM Transport Package: as Requested Specification: RoHS Origin: China HS Code: 9001909090 Product Description >> Product Description Plano-Concave Cylindrical lenses have a negative focal length and are used for image reduction or to spread light.Cylindrical lens is used to correct astigmatismin the eye, and, in rangefinders, to produce astigmatism, stretchinga point of light into a line.They are available in either plano concave or plano convex configurations. Plano-Convex Cylindrical lenses have a positive focal length, which makes them ideal for collecting and focusing light for many imaging applications.We could manufacture Plano-convex cylindrical lens, plano-concave cylindrical lens, bi-convex cylindrical lens, bi-concave cylindrical lens, meniscus cylindrical lens, long cylindrical lens, special cylindrical lens etc. >> SpecificationSpecifiction of our doulbe convex cylinderical lens as follow:*Material BK7 or other optical materials*Dimension Tolerance +0.0 -- -0.1mm*Center Thickness +/-0.1mm*Focal Length Tolerance+/-1%*Surface Quality: 20/10*Surface Figure lambda/2 at 633nm on plano side*Clear Aperture > 90%*Chamfer 0.25mm at 45 degree typical*Coating OptionalPrecision of specification we achieveRange of diameterDia.0.7mm-Dia.400mmRange of curve radiusR1.5-R∞ etc.Tolerance of diameter+/-0.1, +/-0.01, +/-0.005 etc.Surface accuracy λ , 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.
