Home All Products Optical Components Optical Lenses VY Optics Optical Hemisphere Lenses ameter 50mm BK7 Half Ball Lens X-P23B1D0101B
VY Optics Optical Hemisphere Lenses ameter 50mm BK7 Half Ball Lens X-P23B1D0101B
Optical Lenses

VY Optics Optical Hemisphere Lenses ameter 50mm BK7 Half Ball Lens X-P23B1D0101B

Supplier
Vyoptics
Part Number
X-P23B1D0101B
Category
Optical Lenses
Origin
China

Half-Ball lenses are a kind of convex lenses in hemispherical shape that made of optical glass with good transparency and refractive parameters. It is usually made by cutting Ball Lenses in half. Material: BK7, sapphire, FS, Si, Ge, ZnS and so on Diameter: 0.50mm-150mm Tolerance: 0.001-0.003 Sphericity: 0.001 Surface Quality: 20-10 or better Coating: Optional Comparing to ball lenses, they are more compact and easier to mount. People also ask What is the effective focal length of a ball lens? The effective focal length is equal to the index of refraction (denoted here by n) times the diameter of the ball lens (D), divided by 4(n-1). We can write this as EFL = [n D]/[4(n-1)]. The back focal length equals the effective focal length – D/2. What magnification does a ball lens have? Ball lenses are highly transparent spheres made with optical glass. Some of the earliest microscope lenses — developed by Antoni van Leeuwenhoek — relied on surface tension to form small spheres from melted glass. These lenses achieved magnifications as large as 275x and were as small as 1.5 mm in diameter. What is a half ball lens? Ball lenses are completely spherical lenses most commonly used to couple light in and out of fibers. Half-ball lenses are hemispheres. We supply high precision grade-3 ball lenses, midrange grade-25 ball lenses and commercial grade-100 ball lenses offering all grades to suit any application.

Specification Snapshot
Diameter
50mm
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Overview

Half-Ball lenses are a kind of convex lenses in hemispherical shape that made of optical glass with good transparency and refractive parameters. It is usually made by cutting Ball Lenses in half. Material: BK7, sapphire, FS, Si, Ge, ZnS and so on Diameter: 0.50mm-150mm Tolerance: 0.001-0.003 Sphericity: 0.001 Surface Quality: 20-10 or better Coating: Optional Comparing to ball lenses, they are more compact and easier to mount. People also ask What is the effective focal length of a ball lens? The effective focal length is equal to the index of refraction (denoted here by n) times the diameter of the ball lens (D), divided by 4(n-1). We can write this as EFL = [n D]/[4(n-1)]. The back focal length equals the effective focal length – D/2. What magnification does a ball lens have? Ball lenses are highly transparent spheres made with optical glass. Some of the earliest microscope lenses — developed by Antoni van Leeuwenhoek — relied on surface tension to form small spheres from melted glass. These lenses achieved magnifications as large as 275x and were as small as 1.5 mm in diameter. What is a half ball lens? Ball lenses are completely spherical lenses most commonly used to couple light in and out of fibers. Half-ball lenses are hemispheres. We supply high precision grade-3 ball lenses, midrange grade-25 ball lenses and commercial grade-100 ball lenses offering all grades to suit any application.

Specifications

ParameterValue
MaterialBK7
MaterialBK7, B270, Borosillicate glass, UV Fused Silica or any other glass crystal material, plastic and SI, Ge and other infrared material are also available
Diameter50mm
Tolerance±0.1mm
Tolerance on half Ball Lens Diameter+/- 0.001mm
Toleranace on half ball lens Thickness+/- 0.01mm
Half Ball Lens Roundness< 0.001mm
Surface Quality of Half Ball lens20/10 scratch and dig or better
Half Ball Lens CleaningClass 100 clean room
Half Ball Lens Packingin Waffle plastic trays
Each Half Ball Lens is checked100% under microscope before Delivery.
All Half Ball Lenses are cleaned and packedin Class 100 clean room area.

Applications

Optical glass half ball lenses are as beam collimator for optical fibers, emitters and detectors. Other applications include endoscope, bar-code scanning and laser measurement etc..

Key Features

Low cost, high volume – Yield as big as 1000,000pcs/month. Un-beatable price. Any optical glass/crystal/plastic/infrared glass you can imagin – BK7, B270, Borosillicate glass, UV Fused Silica, PYREX, PMMA, Si, Ge… Freedom for Designer to Optimize System As big as 150mm diameter(D) lens Available, and a lot of different size lens on shelf for quick delivery for the diameter of 2~20mm Customized Height(T) of Lens – from ball lens to very thin lens, any height can be achieved Unique Technology – High efficiency on production / Free of dirties and contamination after polishing, no additional cleaning needed. Quick Delivery and Low Cost for Samples – It’s not moulded, so no mould investment. ISO certificated company

Datasheet

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Supplier Information

Vy
Vyoptics
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VY Optoelectronics Co., Ltd. specialized in manufacturing kinds of optical precision element and photographic lens &accessory. Through many years’ hard work and positive innovation, we have became a optical company integrating lens design, production and sales. Our company has strong production capacity, in possession of the domestically top production line and excellent workers, they are experienced and could produce wide range of lenses; in addition, the VY design group develops world-class optomechanical and mechatronics systems for customer needs in the fields of Space and Scientific Instrumentation and the Semiconductor Industry. We push the limits of technology, to stimulate industry and enable scientific discovery. Application of our items are very extensive and involves in military, aerospace, industry, scientific,medical instrument, photoelectric device, optical communication and mechanical equipment and so on.Over the years, with the concept of “integrity, innovation, quality first”, we constantly provide our clients with the best products and perfect service, sincerely welcome domestic and foreign customers to establish cooperation with us, creating a bright future in optical field!

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VY Optics Optical Hemisphere Lenses ameter 50mm BK7 Half Ball Lens X-P23B1D0101B
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