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Page 4 - Bi-Concave Spherical

SPHERICAL PRECISION LENSES
Gooch and Housego
Custom precision lenses are a key optical component for many transmission and imaging applications in the aerospace, security, defense, machine vision, health care, and life science industries. G&H manufacture custom precision lenses for imaging, focusing, collimation and illumination, using standard polishing and grinding ...

Specifications

Material: BK7, FS, Si, Ge
Diameter: 200 mm
Focal Length: Custom mm
Edge Thickness, Te: 100 mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Ferson TEchnology Spherical Lenses
Ferson Technpologies
Ferson Technologies provides spherical lenses, optical flats, domes, infrared components, and optical assemblies.

Specifications

Material: FS, Si, Ge
Diameter: 4 mm
Focal Length: Custom mm
Edge Thickness, Te: Custom mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Double-Concave Lenses N-BK7
CeNing Optics
Double-Concave N-BK7 lenses.

Specifications

Material: BK7
Diameter: 12.7 mm
Focal Length: -20 mm
Edge Thickness, Te: 2.0 mm
Lens Type: Bi-Concave
Alkor Bi-Concave Lens
Alkor Technologies
We produce custom CaF2 plano-convex lens, plano-concave CaF2 lenses; biconvex and bi-concave CaF2 lenses to 100% meet customer\'s demands. We can make lenses from 3 to 80mm diameter with almost any focal length. Calcium Fluoride is used for lenses in transmision range 0.17-10µm. Degradation due to to moisture in the atmosphere is ...

Specifications

Material: BK7, FS, CaF2
Diameter: custom mm
Focal Length: custom mm
Edge Thickness, Te: custom mm
Lens Type: Bi-Concave
Double-Concave Spheric Lens
FOCTek Photonics
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.

Specifications

Material: BK7, FS, CaF2, Si
Diameter: 20.0 mm
Focal Length: -- mm
Edge Thickness, Te: -- mm
Lens Type: Bi-Concave
Optica Biconcave Lens
Optics India
Bi-Concave Lenses are symmetrical with equal radii on both sides. The biconcave lenses are often used to expand light beams or to increase focal lengths in optical systems, and are normally used in combination with other lenses. Among the many devices utilizing biconcave lenses are laser beam expanders, optical character ...

Specifications

Material: BK7, FS, UVFS, CaF2
Diameter: custom mm
Focal Length: custom mm
Edge Thickness, Te: custom mm
Lens Type: Bi-Concave
Bi-Concave Lenses – BK7 – Spherical
Rainbow Research Optics
Rainbow Research Optics Spherical Lenses.

Specifications

Material: BK7
Diameter: custom mm
Focal Length: custom mm
Edge Thickness, Te: custom mm
Lens Type: Bi-Concave
BICONCAVE LENSES
Tecnottica Consonni
Biconcave lenses (BCC) have generally symmetrical shape but can also have surfaces with different radii of curvature, especially if integrated in special optical systems. They have negative focal lengths and always form virtual images that are viewed through the lens; they also have the property of diverging light beams incident on ...

Specifications

Material: BK7, UVFS
Diameter: custom mm
Focal Length: custom mm
Edge Thickness, Te: custom mm
Lens Type: Bi-Concave
Lens is a kind of optical component used for transmission or refraction light, converging or diverging the beam. PHYO OPTICS provide many different type lens fitting for the optical systems. Size can be Dia2.5mm to 400mm as requested. Including customized coating applied on surface. Normally lens material are chosen from CDGM or ...

Specifications

Material: BK7, UVFS, CaF2, ZnSe, H-K9L, BaF2, MgF2, H-ZF13
Diameter: 150 mm
Focal Length: 100 mm
Edge Thickness, Te: 5 mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
1.Plastic tray box 2. Sponge foam layer 3. Carton package  About Shenzhen Oande 1. various imported manufacturing machines  2. various high quality fine testing equipment  3. responsible and hard-working and cooperative staff team    

Specifications

Material: BK7, H-K9L, H-ZF13
Diameter: 10-200 mm
Focal Length: 3-150 mm
Edge Thickness, Te: 0.5-150 mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
We have a broad capability to fabricate a wide range of optics in various materials.

Specifications

Material: BK7, FS, UVFS, CaF2, ZnSe, Si, Ge, H-K9L
Diameter: 0.8-300 mm
Focal Length: 0.8-10000 mm
Edge Thickness, Te: 2 mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Material BK7 or UV Fused Silica Dimension Tolerance +0/-0.2mm Thickness Tolerance ±0.2mm Design Wavelength 546.1nm Surface Quality 60/40 scratch and dig Flatness λ/4@632.8nm Centration <3 arc minutes Focal Length Tolerance ±2% Clear Aperture >90% Chamfer Protective <0.5mmx45deg

Specifications

Material: BK7, FS, UVFS, H-K9L
Diameter: 25.4 mm
Focal Length: -100 mm
Edge Thickness, Te: 2 mm
Lens Type: Bi-Concave
Union Optic offers a wide variety of infrared spherical lenses. We can offer plano-convex, plano-concave, double-convex, double-concave and meniscus types. The available material includes CaF2, BaF2, MgF2, Si, Ge, and ZnSe, which covering wavelengths from the UV to 19µm. And we can also offer different AR coatings covering 1.8-3µm, ...

Specifications

Material: CaF2, ZnSe, Si, Ge, BaF2
Diameter: 25.4 mm
Focal Length: 100 mm
Edge Thickness, Te: 2 mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Lens can converge or diverge the transmission beam and form image of the object, Which is widely used in various applications. Union Optic can provide all kinds of spherical and cylindrical lenses, usually we can offer. Spherical: plano-convex, plano-concave, double-convex, double-concave, meniscus, dome lens, rod lens, ball lens, ...

Specifications

Material: BK7, FS, UVFS, CaF2, ZnSe, Si, Ge, H-K9L, BaF2, MgF2, H-ZF13
Diameter: 25.4 mm
Focal Length: 100 mm
Edge Thickness, Te: 2 mm
Lens Type: Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave
Calcium Fluoride has appropriate refractive index variations for wavelengths and transmission to wavelengths from vacuum ultraviolet 125nm to infrared 12um . It can be used as a prism, lens or window within a wide region from ultraviolet to infrared. Also, since it has unique optical dispersion (Abbe\'s number:95), it can be ...

Specifications

Material: CaF2
Diameter: 1-45 mm
Focal Length: 1-75 mm
Edge Thickness, Te: 0 mm
Lens Type: Bi-Concave
The lenses are primarily used for imaging at close to 1:1, illustrates their function. The convex surfaces of approximately equal to the radius of curvature. As both convex surfaces contribute to the magnifying power, these lenses are available with useful for collecting and refocusing light from a small beams in applications ...

Specifications

Material: BK7
Diameter: 30 mm
Focal Length: 15 mm
Edge Thickness, Te: 10 mm
Lens Type: Bi-Concave
Lenses are classified by the curvature of the two optical surfaces. A lens is biconvex (or double convex, or just convex) if both surfaces are convex.  If both surfaces have the same radius of curvature, the lens is equiconvex. A lens with two concave surfaces is biconcave (or ...

Specifications

Material: UVFS
Diameter: 25.4 mm
Focal Length: 100 mm
Edge Thickness, Te: 3.0 mm
Lens Type: Bi-Concave