BK7 Glass Spherical Lenses
Description
BK7 Glass Spherical Lenses are optical components made from BK7, a type of boro-crown glass. These lenses are designed to focus or disperse light and are characterized by their spherical surfaces. They are widely used in various optical systems due to their excellent clarity and low inclusion content, which ensures minimal distortion of the transmitted light.
Working Principle
BK7 Glass Spherical Lenses operate by refracting light that passes through them. The spherical shape of the lens causes light rays to converge or diverge, depending on the lens's curvature. BK7 glass has an index of refraction of approximately 1.51 in the visible spectrum, which allows it to effectively bend light. This property makes these lenses useful for focusing light in optical systems, enhancing image clarity and resolution.
Applications
BK7 Glass Spherical Lenses are commonly used in a variety of optical applications. They are integral components in devices such as cameras, microscopes, and telescopes, where they help in focusing light to form clear images. Additionally, they are used in laser systems for beam focusing and in optical instruments for scientific research.
Advantages over other Spherical Lenses
One of the primary advantages of BK7 Glass Spherical Lenses is their excellent optical clarity and low cost compared to other materials like sapphire or SF11. BK7 lenses are also versatile, as they can be used in a wide range of visible light applications due to their consistent refractive index. This makes them a preferred choice for many standard optical applications where cost-effectiveness and performance are key considerations.
Limitations
Despite their advantages, BK7 Glass Spherical Lenses have limitations. They are not suitable for applications involving ultraviolet (UV) or infrared (IR) light, as their transmission properties are optimized for the visible spectrum. Additionally, BK7 glass is not as durable as some other materials, such as sapphire, which can limit its use in harsh environments.
Considerations
When selecting BK7 Glass Spherical Lenses, several factors should be considered. The initial cost of these lenses is relatively low, making them an economical choice for many applications. However, their durability is moderate, and they may require more frequent replacement in environments where they are exposed to physical stress or extreme conditions. Maintenance costs are generally low, but the accuracy of the lenses can be affected by surface scratches or other defects, which should be monitored regularly to ensure optimal performance.
from Newport MKS
The KBC016AR.18 Bi-Concave Lens is a 1000 to 1550 nm anti-reflection coated, 12.7 mm diameter, N-BK7 Bi-concave lens with an effective focal length of -100 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision bi-concave lenses are... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: -101
- Lens Form: Concave-Concave; Bi-Concave
- Diameter: 12.7
from Gurley Precision Instruments
Aspheres minimize spherical aberrations, Broadband coatings are recommended for aspherical lenses [See More]
- Materials: BK7 Glass
- Focal Length: 27
- Lens Form: Aspherical-Plano
- Diameter: 31.5
from Zygo Corporation
ZYGO manufactures the world ’s most accurate aspherical, spherical and freeform optics. These can be manufactured in sizes up to 600 mm, with surface figure tolerances better than 100 picometers. To put this into perspective, imagine an optic the size of the Unites States with a surface... [See More]
- Materials: BK7 Glass; SF11 Glass; Zerodur, Clearceram, ULE, silicon carbide (SiC), Alon, Spinel, calcium fluoride, magnesium fluoride, germanium, silicon, aluminum, nickel
- Diameter: 600
from CASTECH, Inc.
Other sizes and focal length are available upon request. Also the lens ring mounts are available upon request. [See More]
- Materials: BK7 Glass
- Diameter: 6.35
- Lens Form: Concave-Concave
- Radius of Curvature: -6.85
from Avantier Inc.
Avantier specializes in the manufacturing of high-quality plano-convex lenses, which are optical lenses with a positive focal length. These lenses are versatile and can be tailored to suit your specific application by offering a wide range of sizes, substrates, and coatings. Plano-convex lenses are... [See More]
- Materials: BK7 Glass; Germanium
- Center Thickness: 0.0500
- Lens Form: Plano-Convex
- Surface Quality: 20-10 Scratch / Dig
from CeNing Optics Co., Ltd.
CeNing Optics specializes in manufacturing high precision optical components, including optical lenses, prisms, beam splitters, waveplates, polarizers, interference filters, laser mirrors, BBO crystals, achromatic lenses, cylindrical lenses, and CaF2 windows. CeNing Optics produces optical... [See More]
- Materials: BK7 Glass
- Lens Application: Visible
- Lens Form: Concave-Concave
- Focal Length: -250 to -20
from Newport MKS
The KBC037AR.18 Bi-Concave Lens is a 1000 to 1550 nm anti-reflection coated, 25.4 mm diameter, N-BK7 Bi-concave lens with an effective focal length of -100 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision bi-concave lenses are... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: -101
- Lens Form: Concave-Concave; Bi-Concave
- Diameter: 25.4
from Gurley Precision Instruments
1:1 Imaging and Multi-Element Applications, Broadband coatings are recommended for aspherical lenses [See More]
- Materials: BK7 Glass
- Focal Length: 50
- Lens Form: Convex-Convex
- Diameter: 25
from CASTECH, Inc.
Other sizes and focal length are available upon request. Also the lens ring mounts are available upon request. [See More]
- Materials: BK7 Glass
- Diameter: 6.35
- Lens Form: Convex-Convex
- Radius of Curvature: 5.62
from CeNing Optics Co., Ltd.
CeNing Optics specializes in manufacturing high precision optical components, including optical lenses, prisms, beam splitters, waveplates, polarizers, interference filters, laser mirrors, BBO crystals, achromatic lenses, cylindrical lenses, and CaF2 windows. CeNing Optics produces optical... [See More]
- Materials: BK7 Glass
- Lens Application: Visible
- Lens Form: Convex-Convex
- Focal Length: 25 to 500
from Newport MKS
The KBC082AR.18 Bi-Concave Lens is a 1000 to 1550 nm anti-reflection coated, 50.8 mm diameter, N-BK7 Bi-concave lens with an effective focal length of -100 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision bi-concave lenses are... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: -101
- Lens Form: Concave-Concave; Bi-Concave
- Diameter: 50.8
from Gurley Precision Instruments
Used to change the focal length of another lens, The lens shape does not intriduce more spherical aberrations to the system [See More]
- Materials: BK7 Glass
- Focal Length: 50
- Lens Form: Concave-Convex
- Diameter: 22.4
from CASTECH, Inc.
Other sizes and focal length are available upon request. Also the lens ring mounts are available upon request. [See More]
- Materials: BK7 Glass
- Diameter: 6.35
- Lens Form: Plano-Concave
- Radius of Curvature: -6.46
from CeNing Optics Co., Ltd.
CeNing Optics specializes in manufacturing high precision optical components, including optical lenses, prisms, beam splitters, waveplates, polarizers, interference filters, laser mirrors, BBO crystals, achromatic lenses, cylindrical lenses, and CaF2 windows. CeNing Optics produces optical... [See More]
- Materials: BK7 Glass
- Lens Application: Visible
- Lens Form: Concave-Concave
- Focal Length: -100 to 1000
from Newport MKS
The KBC010AR.18 Bi-Concave Lens is a 1000 to 1550 nm anti-reflection coated, 6.35 mm diameter, N-BK7 Bi-concave lens with an effective focal length of -12.7 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision bi-concave lenses are... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: -13.29
- Lens Form: Concave-Concave; Bi-Concave
- Diameter: 6.35
from Gurley Precision Instruments
Aspheres minimize spherical aberrations, Broadband coatings are recommended for aspherical lenses [See More]
- Materials: BK7 Glass
- Focal Length: 50
- Lens Form: Plano-Convex
- Diameter: 15
from CASTECH, Inc.
Other diameter, focus length ,and material are available upon request. [See More]
- Materials: BK7 Glass
- Diameter: 6.35
- Lens Form: Plano-Convex
- Radius of Curvature: 6.56
from CeNing Optics Co., Ltd.
CeNing Optics specializes in manufacturing high precision optical components, including optical lenses, prisms, beam splitters, waveplates, polarizers, interference filters, laser mirrors, BBO crystals, achromatic lenses, cylindrical lenses, and CaF2 windows. CeNing Optics produces optical... [See More]
- Materials: BK7 Glass
- Lens Application: Visible
- Lens Form: Plano-Concave
- Focal Length: -500 to -10
from Newport MKS
The KBX022AR.18 N-BK7 Bi-Convex Lens is a 1/2 inch (12.7 mm) diameter, 1000 to 1550 nm anti-reflection coated, N-BK7 bi-convex lens with an effective focal length of 12.7 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision bi-convex... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: 10.26
- Lens Form: Convex-Convex; Bi-Convex
- Diameter: 12.7
from CeNing Optics Co., Ltd.
CeNing Optics specializes in manufacturing high precision optical components, including optical lenses, prisms, beam splitters, waveplates, polarizers, interference filters, laser mirrors, BBO crystals, achromatic lenses, cylindrical lenses, and CaF2 windows. CeNing Optics produces optical... [See More]
- Materials: BK7 Glass
- Lens Application: Visible
- Lens Form: Plano-Convex
- Focal Length: 4 to 1000
from Newport MKS
The KBX064AR.18 N-BK7 Bi-Convex Lens is a 1 inch (25.4 mm) diameter, 1000 to 1550 nm anti-reflection coated, N-BK7 bi-convex lens with an effective focal length of 100 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision bi-convex... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: 98.47
- Lens Form: Convex-Convex; Bi-Convex
- Diameter: 25.4
from Newport MKS
The KBX154AR.18 N-BK7 Bi-Convex Lens is a 2 inch (50.8 mm) diameter, 1000 to 1550 nm anti-reflection coated, N-BK7 bi-convex lens with an effective focal length of 100 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision bi-convex... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: 96.83
- Lens Form: Convex-Convex; Bi-Convex
- Diameter: 50.8
from Newport MKS
The KBX013AR.18 N-BK7 Bi-Convex Lens is a 1/4 inch (6.35 mm) diameter, 1000 to 1550 nm anti-reflection coated, N-BK7 bi-convex lens with an effective focal length of 12.7 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision bi-convex... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: 11.37
- Lens Form: Convex-Convex; Bi-Convex
- Diameter: 6.35
from Newport MKS
The CKV025AR.33 Plano-Concave Cylindrical Lens is a 1064 nm anti-reflection coated, 1 inch (25.4 mm) length by 1/2 inch (12.7 mm) width, N-BK7 plano-concave cylindrical lens with an effective focal length of -25 mm. It is designed to meet the demanding requirements of laser electro-optic... [See More]
- Materials: BK7 Glass; Grade A N-BK7
- Focal Length: -28.96
- Lens Form: Plano-Concave; Plano-Concave
- Center Thickness: 6
from Newport MKS
The CKV006AR.33 Plano-Concave Cylindrical Lens is a 1064 nm anti-reflection coated, 1 inch (25.4 mm) length by 1/4 inch (6.35 mm) width, N-BK7 plano-concave cylindrical lens with an effective focal length of -6.4 mm. It is designed to meet the demanding requirements of laser electro-optic... [See More]
- Materials: BK7 Glass; Grade A N-BK7
- Focal Length: -10.96
- Lens Form: Plano-Concave; Plano-Concave
- Center Thickness: 6
from Newport MKS
The CKV075 Plano-Concave Cylindrical Lens is an uncoated, 2 inch (50.8 mm) length by 1 inch (25.4 mm) width, N-BK7 plano-concave cylindrical lens with an effective focal length of -75 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision... [See More]
- Materials: BK7 Glass; Grade A N-BK7
- Focal Length: -78.96
- Lens Form: Plano-Concave; Plano-Concave
- Center Thickness: 6
from Newport MKS
The CKX14 Plano-Convex Cylindrical Lens is an uncoated, 0.5 inch (12.50 mm) diameter, N-N-BK7 plano-convex cylindrical lens with an effective focal length of 100.00 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-N-BK7 precision cylindrical... [See More]
- Materials: BK7 Glass; Grade A N-BK7
- Focal Length: 98.68
- Lens Form: Plano-Convex; Plano-Convex
- Center Thickness: 2
from Newport MKS
The CKX150 Plano-Convex Cylindrical Lens is an uncoated, 2 inch (50.8 mm) length by 2 inch (50.8 mm) width, N-BK7 plano-convex cylindrical lens with an effective focal length of 150 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision... [See More]
- Materials: BK7 Glass; Grade A N-BK7
- Lens Form: Plano-Convex; Plano-Convex
from Newport MKS
The CKX18-C Plano-Convex Cylindrical Lens is a Magnesium Fluoride (MgF2) coated,1.0 inch (25.00 mm) diameter, N-N-BK7 plano-convex cylindrical lens with an effective focal length of 100.00 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-N-BK7... [See More]
- Materials: BK7 Glass; Grade A N-BK7
- Focal Length: 97.98
- Lens Form: Plano-Convex; Plano-Convex
- Center Thickness: 3.16
from Newport MKS
The CKX019AR.33 Plano-Convex Cylindrical Lens is a 1064 nm anti-reflection coated, 1 inch (25.4 mm) length by 1/2 inch (12.7 mm) width, N-BK7 plano-convex cylindrical lens with an effective focal length of 19.0 mm. It is designed to meet the demanding requirements of laser electro-optic... [See More]
- Materials: BK7 Glass; Grade A N-BK7
- Lens Features: Antireflection Coating
- Lens Form: Plano-Convex; Plano-Convex
from Newport MKS
The CKX025 Plano-Convex Cylindrical Lens is an uncoated, 2 inch (50.8 mm) length by 1 inch (25.4 mm) width, N-BK7 plano-convex cylindrical lens with an effective focal length of 25.4 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision... [See More]
- Materials: BK7 Glass; Grade A N-BK7
- Lens Form: Plano-Convex; Plano-Convex
from Newport MKS
The 40570 Focusing Lens is used with the 77259 Focusing Lens Assembly. It is a 1.5 inch (38.1 mm) diameter, Borosilicate Crown Glass, Plano-convex Lens with a 150 mm Focal Length. Plano Convex lenses are for collimated beams or high magnification. 330 to 2200 nm wavelength range. [See More]
- Materials: BK7 Glass; N-BK7
- Diameter: 38.1
- Lens Form: Plano-Convex; Plano-Convex
- Center Thickness: 5
from Newport MKS
The KPC016AR.18 N-BK7 Plano-Concave Lens is a 1000 to 1550 nm anti-reflection coated, 12.7 mm diameter, N-BK7, plano-concave lens with an effective focal length of -100 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision plano-concave... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: -102
- Lens Form: Plano-Concave; Plano-Concave
- Diameter: 12.7
from Newport MKS
The KPC034AR.18 N-BK7 Plano-Concave Lens is a 1000 to 1550 nm anti-reflection coated, 25.4 mm diameter, N-BK7, plano-concave lens with an effective focal length of -100 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision plano-concave... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: -102
- Lens Form: Plano-Concave; Plano-Concave
- Diameter: 25.4
from Newport MKS
The KPC076AR.18 N-BK7 Plano-Concave Lens is a 1000 to 1550 nm anti-reflection coated, 50.8 mm diameter, N-BK7, plano-concave lens with an effective focal length of -100 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision plano-concave... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: -102
- Lens Form: Plano-Concave; Plano-Concave
- Diameter: 50.8
from Newport MKS
The KPC013AR.18 N-BK7 Plano-Concave Lens is a 1000 to 1550 nm anti-reflection coated, 6.35 mm diameter, N-BK7, plano-concave lens with an effective focal length of -12.5 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision plano-concave... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: -14.14
- Lens Form: Plano-Concave; Plano-Concave
- Diameter: 6.35
from Newport MKS
The KPX036 N-BK7 Precision Plano-Convex Lens is an uncoated, 8.00 mm diameter N-BK7 plano-convex lens with an effective focal length of 10.0 mm. It has = λ/4 surface irregularity, 40-20 scratch-dig, and is designed to meet the demanding requirements of laser electro-optic applications. It is... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: 7.4
- Lens Form: Plano-Convex; Plano-Convex
- Diameter: 8
from Newport MKS
The KPX334 N-BK7 Plano-Convex Lens is an uncoated, 10.0 mm diameter N-BK7 plano-convex lens with an effective focal length of 55 mm. It has = λ/2 surface irregularity, 60-40 scratch-dig. N-BK7 is an excellent material for most visible and near infrared applications. It is the most common... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: 53.4
- Lens Form: Plano-Convex; Plano-Convex
- Diameter: 10
from Newport MKS
The KPX061AR.18 N-BK7 Precision Plano-Convex Lens is a 1000 to 1550 nm anti-reflection coated, 1/2 inch (12.7 mm) diameter, N-BK7 plano-convex lens with an effective focal length of 100 mm. It has = λ/4 surface irregularity, 40-20 scratch-dig, and is designed to meet the demanding requirements... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: 97.76
- Lens Form: Plano-Convex; Plano-Convex
- Diameter: 12.7
from Newport MKS
The KPX367 N-BK7 Plano-Convex Lens is an uncoated, 15.0 mm diameter N-BK7 plano-convex lens with an effective focal length of 36 mm. It has = λ/2 surface irregularity, 60-40 scratch-dig. N-BK7 is an excellent material for most visible and near infrared applications. It is the most common... [See More]
- Materials: BK7 Glass; N-BK7
- Focal Length: 48
- Lens Form: Plano-Convex; Plano-Convex
- Diameter: 15
from Rocky Mountain Instrument/RMI Laser
Spherical Lenses are the most common lenses in optical systems design. RMI manufactures standard and custom spherical lenses from a wide range of materials with a wide range of size and shape specifications. Both sides can be coated with an RMI high efficiency narrowband, anti-reflective coating. [See More]
- Materials: BK7 Glass; Calcium Fluoride; Germanium; Sapphire; Zinc Selenide; Ultra-violet grade Fused Silica; Fused Silica, Cleartran, Barium fluoride, Magnesium Flouride, Silicon
- Surface Quality: 10-5 Scratch / Dig; 20-10 Scratch / Dig; 40-20 Scratch / Dig
- Lens Form: Plano-Convex; Plano-Concave; Convex-Convex; Concave-Concave
- Surface Flatness: λ/4; λ/10
from Rainbow Research Optics, Inc.
Your One-Stop Source for Spherical Lenses. From prototype to production, Rainbow Research Optics, Inc (RROI) designs, manufactures and coats spherical lenses. Spherical lenses are one of the most basic optical components to produce. With complete in-house capabilities, RROI is able to offer... [See More]
- Materials: BK7 Glass; SF11 Glass; Calcium Fluoride; Ultra-violet grade Fused Silica; VUV grade MgF2; IR grade CaF2; VUV grade CaF2
- Lens Application: Infrared; Visible; Ultraviolet
- Lens Form: Convex-Convex (optional feature); Concave-Concave (optional feature)
- Diameter: 3 to 406
from Foctek Photonics, Inc.
FOCtek provides five kinds of spheric lens forms, or shapes, that determine the imaging Characteristics. of the lenses, they are plano-convex, plano-concave, Double-convex, Double-concave and Meniscus. Plano-convex lens has a positive focal length, which makes it ideal for collecting and focusing... [See More]
- Materials: BK7 Glass; Calcium Fluoride; Sapphire; H-K9, Fused Silica, N-SF10, Silicon
- Surface Quality: 10-5 Scratch / Dig; 60-40 Scratch / Dig
- Lens Form: Plano-Convex; Plano-Concave; Convex-Convex; Concave-Concave
- Surface Flatness: λ/4
from Thorlabs, Inc.
At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]
- Materials: BK7 Glass; SF11 Glass; Calcium Fluoride; Zinc Selenide; Ultra-violet grade Fused Silica; Silicone
- Lens Application: Infrared; Visible; Ultraviolet
- Lens Form: Plano-Convex; Plano-Concave; Convex-Convex; Concave-Concave
- Focal Length: -1000 to 750
from Swiss Jewel Company
BK-7 Hemisphere Lenses are ideal for mounting in your instrument and ease of handling. Typical Applications: Fiber Optics, LEDs [See More]
- Materials: BK7 Glass
- Lens Application: Visible
- Lens Form: Hemisphere
- Diameter: 1.5 to 5
from ProPhotonix, Ltd.
The optical components department of Helvoet Rubber & Plastic Technologies NV manufactures injection molded lenses, mirrors, polygons, with or without reflective coatings, with extreme accuracy for barcode scanning and sensor module applications. High accuracy off-the-shelf lenses (spherical and... [See More]
- Materials: BK7 Glass; Acrylic; Polycarbonate; CCD
- Lens Application: Infrared; Visible
- Lens Form: Plano-Convex
from Edmund Optics Inc.
Discounts up to 80% Off. Quantities Extremely Limited. Final Sale, No Returns. Shop the EO Mega Clearance presentations for the hottest deals on component-level products. Quickly browse the best optics, imaging, and photonics deals you will ever see. Quantities are extremely limited and are sold on... [See More]
- Materials: BK7 Glass
- Diameter: 6.25
- Focal Length: 25
- Center Thickness: 2.3
from HG Optronics, Inc.
Double Concave Lenses are used in beam expansion, image reduction, or light projection applications. These lenses are also ideal for expanding the focal length of an optical system. Double Concave Lenses, which have two concave surfaces, are Optical Lenses with negative focal lengths. HG OPTRONICS... [See More]
- Materials: BK7 Glass; Calcium Fluoride; Germanium; Ultra-violet grade Fused Silica; Optical glass, BK7,H-K9L, Fused Silica, CDGM,Schott, OHARA, YAG CaF2,Germanium etc.
- Focal Length: -500 to -10
- Lens Form: Concave-Concave
- Diameter: 10 to 50
from Shanghai Optics
Bk7 Spherical Lenses are useful for a wide range of applications. Bk7 plano-concave, bi-concave, meniscus, plano-convex and bi-convex lenses are manufactured to exacting Shanghai Optics Laser Quality surface figure and surface quality specifications. This high standard of quality provides... [See More]
- Materials: BK7 Glass
from Intrinsic Crystal Technology Co., Ltd. (ICC)
ICC spherical technology includes PITECH, high speed and CNC method, which can meet the requirements of small quantity for precision control, and large quantity for cost. All processes are completed in the factory. Our spherical lenses are widely used in a variety of industrial and detection camera,... [See More]
- Materials: BK7 Glass; Calcium Fluoride; Germanium; Zinc Selenide; BAF2, Silicon
- Lens Application: Infrared; Visible
- Lens Form: Plano-Convex; Plano-Concave; Convex-Convex; Concave-Concave
from Tower Optical Corporation
Biconvex Mini Lenses [See More]
- Materials: BK7 Glass
- Diameter: 3 to 5
- Focal Length: 4.5 to 10
- Center Thickness: 1.6 to 3
from Qioptiq
Precision lenses for use at infinite object distance. Spherical (aperture-dependent) aberration minimized. N-BK7 lenses with ARB2 coating. Broadband anti-reflection coating ARB2 for the visible spectral range (R < 0.5 % for λ = 450-700 nm on lenses made of N-BK7). Tolerances: Focal length... [See More]
- Materials: BK7 Glass; Crown Glass; N-LaF2
- Lens Application: Visible
- Lens Form: Convex-Convex
- Focal Length: 4 to 150
from HG Optronics, Inc.
Double Convex Lenses are used in image relay applications, or for imaging objects at close conjugates. Double Convex Lenses have positive focal lengths, along with two convex surfaces with equal radii. Aberrations will increase as the conjugate ratios increase. Double-Convex Lenses are used in a... [See More]
- Materials: BK7 Glass; Calcium Fluoride; Germanium; Ultra-violet grade Fused Silica; Optical glass, BK7,H-K9L, Fused Silica, CDGM,Schott, OHARA, YAG CaF2,Germanium etc.
- Focal Length: 10 to 500
- Lens Form: Convex-Convex
- Diameter: 10 to 50
from Tower Optical Corporation
A Drum Lens is a variation of a ball lens where a portion of the ball is ground down to a smaller diameter. These lenses are used in similar applications to those of ball lenses. The Drum Lens adds the ability to handle and package it in a different way. [See More]
- Materials: BK7 Glass
- Surface Quality: 40-20 Scratch / Dig
- Diameter: 2 to 4
from Qioptiq
Unmounted. Surfaces uncoated. Tolerances: Focal length f' : ± 5 %, Image distance s' : ± 5 %. Our singlets are also available with the following coatings: VIS range (ARB2: R < 0.5 % per surface, AOI = 0 °, λ = 450 - 700 nm). NIR range (ARB2: R < 0.5 % per surface, AOI... [See More]
- Materials: BK7 Glass
- Focal Length: -145 to -90
- Lens Form: Plano-Concave
- Diameter: 60
from HG Optronics, Inc.
Plano Concave Lenses are ideal for beam expansion, light projection, or for expanding an optical system's focal length. Plano Concave Lenses, which have one concave surface, are Optical Lenses with negative focal lengths. Plano-Concave Lenses should be shaped with the plano, or flat, surface towards... [See More]
- Materials: BK7 Glass; Calcium Fluoride; Germanium; Ultra-violet grade Fused Silica; Optical glass, BK7,H-K9L, Fused Silica, CDGM,Schott, OHARA, YAG CaF2,Germanium etc.
- Focal Length: -500 to -8
- Lens Form: Plano-Concave
- Diameter: 6 to 50.8
from Qioptiq
Mounted lenses fit to Microbench m or Nanobench n. Surfaces uncoated. Tolerances: Focal length f' : ± 2 %, Image distance s' : ± 2 %. Our singlets are also available with the following coatings: VIS range (ARB2: R < 0.5 % per surface, AOI = 0 °, λ = 450 - 700 nm). NIR... [See More]
- Materials: BK7 Glass
- Lens Application: Infrared; Visible
- Lens Form: Plano-Concave
- Focal Length: -500 to -3
from HG Optronics, Inc.
The Positive Meniscus Lenses are a convex-concave lens, but it is thicker at the center than at the edges. They are felt polished and are used universally in the ophthalmic industry where convention dictates that lens power be specified in Diopters. The Negative Meniscus Lenses are a convex-concave... [See More]
- Materials: BK7 Glass; Calcium Fluoride; Germanium; Ultra-violet grade Fused Silica; Optical glass, BK7,H-K9L, Fused Silica, CDGM,Schott, OHARA, YAG CaF2,Germanium etc.
- Lens Application: Infrared
- Lens Form: convex-concave
- Focal Length: -600 to 100
from Qioptiq
Surfaces uncoated. Tolerances: Focal length f' : ± 2 %, Image distance s' : ± 2 %. Our singlets are also available with the following coatings: VIS range (ARB2: R < 0.5 % per surface, AOI = 0 °, λ = 450 - 700 nm). NIR range (ARB2: R < 0.5 % per surface, AOI = 0 °,... [See More]
- Materials: BK7 Glass
- Lens Application: Infrared; Visible
- Lens Form: Plano-Concave
- Focal Length: -1000 to -3
from HG Optronics, Inc.
A Plano-Convex lens causes light to focus to a point,it has a positive focal length,which is ideal for light collimation or for focusing applications utilizing monochromatic illumination, in a range of industries. HG OPTRONICS offers Plano-Convexlenses with a variety of coating options. 1.1. What is... [See More]
- Materials: BK7 Glass; Calcium Fluoride; Germanium; Ultra-violet grade Fused Silica; Optical glass, BK7,H-K9L, Fused Silica, CDGM,Schott, OHARA, YAG CaF2,Germanium etc.
- Lens Application: Ultraviolet
- Lens Form: Plano-Convex
- Focal Length: 8 to 250
from Qioptiq
Two equal radii of curvature. Surfaces uncoated. Tolerances: Focal length f' : ± 2 %, Image distance s' : ± 2 %. Our singlets are also available with the following coatings: VIS range (ARB2: R < 0.5 % per surface, AOI = 0 °, λ = 450 - 700 nm). NIR range (ARB2: R < 0.5... [See More]
- Materials: BK7 Glass
- Lens Application: Infrared; Visible
- Lens Form: Concave-Concave
- Focal Length: -500 to -10