Concave-Concave Spherical Lenses
from Newport MKS
The SBC028AR.33 Bi-Concave Lens is a 1064 nm antireflection coated, 25.4 mm diameter, UV grade fused silica 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 UV grade fused silica precision... [See More]
- Lens Form: Concave-Concave; Bi-Concave
- Diameter: 25.4
- Focal Length: -101
- Center Thickness: 2.5
from CASTECH, Inc.
Other sizes and focal length are available upon request. Also the lens ring mounts are available upon request. [See More]
- Lens Form: Concave-Concave
- Radius of Curvature: -6.85
- Diameter: 6.35
- Materials: BK7 Glass
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]
- Lens Form: Concave-Concave
- Focal Length: -250 to -20
- Lens Application: Visible
- Diameter: 12.7 to 25.4
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]
- Lens Form: Concave-Concave; Bi-Concave
- Diameter: 12.7
- Focal Length: -101
- Center Thickness: 2.5
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]
- Lens Form: Concave-Concave
- Focal Length: -100 to 1000
- Lens Application: Visible
- Diameter: 25.4
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]
- Lens Form: Concave-Concave; Bi-Concave
- Diameter: 25.4
- Focal Length: -101
- Center Thickness: 2.5
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]
- Lens Form: Concave-Concave; Bi-Concave
- Diameter: 50.8
- Focal Length: -101
- Center Thickness: 2.5
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]
- Lens Form: Concave-Concave; Bi-Concave
- Diameter: 6.35
- Focal Length: -13.29
- Center Thickness: 2.5
from ECOPTIK (CHANGCHUN) LTD
A double concave lens has negative focal length, thereby causing collimated incident light to diverge. Double concave lens has equal radius of curvature on both side of lens. They are generally used to expand light or increase focal length in existing system, such as beam expander and projection... [See More]
- Lens Form: Concave-Concave
- Diameter: 2 to 300
- Focal Length: -2000 to -50
- Center Thickness: 2 to 20
from Artifex Engineering
Double-Concave (DCV) lenses have two inward curved surfaces. DCV lenses have a negative focal length and are used for image reduction or to spread light. [See More]
- Lens Form: Concave-Concave
- Focal Length: -30 to -6.3
- Lens Application: Visible
- Diameter: 6.3 to 25.4
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]
- Lens Form: Plano-Convex; Plano-Concave; Convex-Convex; Concave-Concave
- Focal Length: -1000 to 750
- Lens Application: Infrared; Visible; Ultraviolet
- Diameter: 5 to 75
from Ross Optical Industries
Bi-concave lenses have two inward curved surfaces. These lenses have a negative focal length. Our catalog bi-concave lenses have an identical curvature on both sides of the lens and are therefore symmetric. At unit conjugation, coma and distortion are cancelled out due to the symmetry. They are used... [See More]
- Lens Form: Concave-Concave
- Focal Length: -5
- Lens Application: Infrared (optional feature); Visible; Ultraviolet (optional feature)
- Diameter: 5
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]
- Lens Form: Plano-Convex; Plano-Concave; Convex-Convex; Concave-Concave
- Materials: BK7 Glass; Calcium Fluoride; Germanium; Zinc Selenide; BAF2, Silicon
- Lens Application: Infrared; Visible
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]
- Lens Form: Plano-Convex; Plano-Concave; Convex-Convex; Concave-Concave
- Surface Quality: 10-5 Scratch / Dig; 20-10 Scratch / Dig; 40-20 Scratch / Dig
- Materials: BK7 Glass; Calcium Fluoride; Germanium; Sapphire; Zinc Selenide; Ultra-violet grade Fused Silica; Fused Silica, Cleartran, Barium fluoride, Magnesium Flouride, Silicon
- Surface Flatness: λ/4; λ/10
from MOK Optics Co., Ltd.
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. Our biconcave lenses are fabricated from N-BK7, UV fused silica, N-SF11, Germanium, Silicon etc. [See More]
- Lens Form: Concave-Concave
- Materials: Germanium; Sapphire; Ultra-violet grade Fused Silica; CDGM, SCHOTT, OHARA, HOYA, MgF2, CaF2, ZnSe, ZnS etc
- Diameter: 3 to 250
- Surface Quality: 10-5 Scratch / Dig
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]
- Lens Form: Plano-Convex; Plano-Concave; Convex-Convex; Concave-Concave
- Surface Quality: 10-5 Scratch / Dig; 60-40 Scratch / Dig
- Materials: BK7 Glass; Calcium Fluoride; Sapphire; H-K9, Fused Silica, N-SF10, Silicon
- Surface Flatness: λ/4
from Edmund Optics Inc.
AR Coated to Provide <1.75% Reflectance per Surface for 400 - 700nm. Designed for 0 ° Angle of Incidence. Double-Concave (DCV) Lenses have two inward curved surfaces and a negative focal length. They are used for image reduction and to spread light.These lenses are available uncoated or with... [See More]
- Lens Form: Concave-Concave
- Diameter: 12
- Focal Length: -12
- Center Thickness: 3
from UNI OPTICS(Fujian) Co., Ltd
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. Uni-Optics... [See More]
- Lens Form: Concave-Concave
- Materials: Ultra-violet grade Fused Silica
- Diameter: 10 to 50
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]
- Lens Form: Concave-Concave
- Diameter: 10 to 50
- Focal Length: -500 to -10
- Center Thickness: 2 to 3
from Qioptiq
Suitable for DUV applications. Two equal radii of curvature. uncoated. Mounted lenses fit to Microbench. 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... [See More]
- Lens Form: Concave-Concave
- Focal Length: -150 to -20
- Lens Application: Infrared; Visible
- Diameter: 25
from Ross Optical Industries
Negative Achromats consist of two optical components, a crown and a flint glass lens, cemented together. The crown is usually a bi-concave lens. As is true to all Achromats, they are corrected for color and on-axis spherical aberration. They are used predominantly to extend focal lengths in... [See More]
- Lens Form: Concave-Concave
- Focal Length: -20
- Lens Application: Infrared (optional feature); Visible; Ultraviolet (optional feature)
- Diameter: 8
from Qioptiq
Suitable for DUV-applications. 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... [See More]
- Lens Form: Concave-Concave
- Focal Length: -150 to -20
- Lens Application: Infrared; Visible
- Diameter: 22.4