40 20 bk7 cylindrical concave lens

Brand Name:Wuhan Siwer Optics

Place of Origin:Wuhan,China

...BK7 Plano-Concave Lenses, Uncoated Our N-BK7 Plano-Concave lenses are available uncoated or coated with a variety of multi-layer antireflection coatings. All lenses feature λ/4 surface accuracy and 40-20 scratch-dig surface quality. N-BK7 is an excellent lens...

Place of Origin:China

Brand Name:Advance

Model Number:as requirements

.... Surface of diameter λ,1/2λ,1/4λ.1/10λ etc Tolerance of Thickness +/-0.1,+/-0.05,+/-0.01etc Centration +/-2',+/-1' etc Aperture N 5,1 etc Irregularity ΔN 2,1,0.5,0.2 etc Surface quality 60/40,40/20,20/10,10/5 etc

Brand Name:WEIMENG

Model Number:WM-A-037

Place of Origin:Shaanxi, China(Mainland)

27*2mm 532nmAR Coated H-K9L Glass fiber Laser Protective Window Lens PLANO optical film laser cutting machine Laser protective lens: The base material is K9 or quartz material, which is transparent. It is finely processed by grinding, polishing, coating...

Brand Name:STAR OPTIC

Model Number:DCV

Place of Origin:Wuhan, China

Overview: Double-Concave (DCV) Lens, also referred to as bi-concave lens, has two inward curved surfaces. They have a negative focal length and are best used to diverge a converging beam. Double-concave lenses can diverge a collimated beam to a virtual ...

Brand Name:UNIFORM

Model Number:AUTC-LGR-331

Place of Origin:CHINA

... astigmatism,tretching a point of light into a line, They are widely used in bar code scanning,projection optics systems,laser measurement systems and holography These cylindrical lenses are designed for applications that require one

Brand Name:Sollente

Model Number:SOE-XP2015

Place of Origin:China

20mm 1W 3W Optical PMMA LED Lens Concave Frosted For Led Spotlight Lens Quick Details: 1. Dimension: Lens Diameter 20mm , holder 22mm 2. Beam Angle: 15°, 25°, 40°, 60°, 80° 3. Match Led: Cree XTE XPE XPG , SMD 3535, SMD 3030, SMD 2525 4. Materials : ...

Brand Name:JOPTEC

Place of Origin:HEFEI, CHINA

Material: Optical glass, BK7, Fused Silica, Schott, OHARA, CaF2, Germanium etc. Dimension Tolerance: ±0.1mm(Standard), ±0.01mm(High Precision) Center Thickness Tolerance: ±0.1mm(Standard), ±0.02mm(High Precision) Paraxial Focal Length: ±2% Surface quality...

Brand Name:xinland

Model Number:M9*P0.5*10

Place of Origin:China

Biconvex Convexo-convex Optical Glass Prism Lens Specifications: Serial Number Diameter(mm) Focal Length(mm) Central Thickness(mm) Edge Thickness(mm) 1 6 7.65 2.2 1 2 9 30 1.95 1.2 3 15.6 20 3.95 2.5 4 17 50 2.62 1.6 5 25 50 4.9 2.2 6 25 50 4.45 1.9 7 30 ...

Brand Name:ZMKJ

Model Number:sapphire optical lens

Place of Origin:CHINA

... Lens Product Name Laser Cutting Custom Sapphire Crystal Watch Glass Diameter Tolerance +0.0/-0.05mm Center Thickness Tolerance ±0.05 mm Focal Length Tolerance ±1% Surface Quality 80/50,60/40, 40/20 or better Material Optical glass(Sapphire/K9/BK7/JGS1/...