Meniscus Lens

Description: 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

• Center Thickness: 3 to 4 mm
• Diameter / Length: 25.4 mm
• Edge Thickness: 2.5 to 4.5 mm
• Focal Length: -600 to 100 mm

Description: meniscus lenses are used to decrease the focal length of another lens while maintaining the angular resolution of the optical assembly. These lenses are commonly used to achieve tighter beam focusing when paired with another positive lens.

• Antireflection Coating: Yes
• Diameter / Length: 3 to 250 mm
• Materials: Germanium, Sapphire, UV Grade Fused Silica, Other
• Surface Flatness: λ/8

Description: • Coating options: uncoated, MgF2 single layer AR coating, laser line V-coating and BBAR coating Descriptions: Hangzhou Shalom EO offers Custom Positive and Negative Meniscus Lenses made from a wide assortment of materials, including Fused Silica, N-BK7, Chalcogenide

Description: 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

• Diameter / Length: 25.4 mm
• Lens Type: Spherical Lens
• Materials: UV Grade Fused Silica

Description: Used to change the focal length of another lens, The lens shape does not intriduce more spherical aberrations to the system

• Center Thickness: 4 mm
• Diameter / Length: 22.4 mm
• Edge Thickness: 1.4 mm
• Focal Length: 50 mm

Description: BRD Optical provide meniscus lens in both positive and negative focal lengths. These lenses are useful when used with another lenses to increase or decrease the focal length. This lens element configuration does not introduce any additional coma or spherical

• Center Thickness: 2 to 20 mm
• Diameter / Length: 2 to 300 mm
• Focal Length: -2000 to -50 mm
• Materials: Sapphire, Other

Description: Meniscus Cylindrical Lens can increase the NA of the system while only adding slightly to the total spherical aberrations. The Negative Meniscus Lens is used to increase the focal length of another lens while maintaining the angular resolution of the optical

• Center Thickness: 2 to 20 mm
• Lens Application: Visible
• Materials: Sapphire, Other
• Surface Flatness: λ/2, λ/4, λ/5, λ/8, λ/10

Description: Other sizes and focal length are available upon request. Also the lens ring mounts are available upon request.

• Diameter / Length: 25.4 mm
• Materials: BK7 Glass
• Surface Flatness: λ/4
• Surface Quality: 40-20 Scratch / Dig

Description: Other sizes and focal length are available upon request. Also the lens ring mounts are available upon request.

• Diameter / Length: 25.4 mm
• Materials: BK7 Glass
• Surface Flatness: λ/4
• Surface Quality: 40-20 Scratch / Dig

Description: Ball lens is used to improve the signal coupling between optical fiber, transmitter and detector, improve the signal quality, and can also be used in endoscopy, bar code scanning, aspherical lens preprocessed materials, sensors, etc. The ball lens has a short focal length, which

• Antireflection Coating: Yes
• Lens Type: Cylindrical Lens
• Materials: Germanium, Sapphire, Other
• Surface Flatness: ?/10

Description: CRYSTECH is dedicated to manufacturing high precision spherical lens for solid-state leaser systems. We have over 20 years of experience in lens manufacturing, design, and coating. We provide these lenses with the material of BK7, fused silica, sapphire, CaF2, ZnSe(ZnS) and

• Lens Application: Infrared, Visible
• Materials: BK7 Glass, Calcium Fluoride, Sapphire, Zinc Selenide, UV Grade Fused Silica
• Mounted: Yes
• Surface Flatness: λ/2, λ/4

Description: : Plano convex/concave lens, double convex/double concave lens, Meniscus lens; Achromatic doublet lenses:doublet and triple double lenses; Customized lenses: hemispherical lenses, dome lenses, square spherical lenses.

• Lens Application: Infrared, Visible
• Materials: BK7 Glass, Calcium Fluoride, Germanium, Zinc Selenide, Other

Description: 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

• Antireflection Coating: Yes
• Diameter / Length: 25.4 mm
• Focal Length: -100 to 1000 mm
• Lens Application: Visible

Description: A cylindrical lens is typically used to focus, condense or expand incoming light. A cylindrical lens has one cylindrical surface, causing light to be focused in a single dimension or axis. It can also be used to expand the output of a laser diode into a symmetrical beam. ICC supply

• Diameter / Length: 1.2 to 350 mm
• Lens Application: Infrared, Visible, Ultraviolet
• Materials: BK7 Glass, Calcium Fluoride, UV Grade Fused Silica, Other

Description: lenses, double convex lenses, meniscus Lenses, Achromatic Lenses, Cylindrical Lenses, or Laser Generator Lenses, etc. 3.3?What’s the material of Laser Lenses? Optical colorless glass, Fused Silica, CaF2, Sapphire, Germanium, Silicon, ZnSe, ZnS,

• Materials: Calcium Fluoride, Germanium, Sapphire, Zinc Selenide, UV Grade Fused Silica, Other

Description: The 61982-117 DURALENS™ coated Meniscus Infrared Lens is made of ZnSe material and is Trumpf® / Amada® OEM compatible. It has a diameter of 1.5 in. (38.1 mm), edge thickness of 7.4 mm, and a focal length of 5.0 in. Zinc Selenide's low absorption coefficient

• Antireflection Coating: Yes
• Diameter / Length: 38.1 mm
• Edge Thickness: 7.4 mm
• Materials: Zinc Selenide, Other

Description: The 60698-117 DURALENS™ coated Meniscus Infrared Lens is made of ZnSe material and is Bystronic® OEM compatible. It has a diameter of 2.0 in. (50.8 mm), edge thickness of 9.65 mm, and a focal length of 7.5 in. Zinc Selenide's low absorption coefficient makes it a perfect

• Antireflection Coating: Yes
• Diameter / Length: 50.8 mm
• Edge Thickness: 9.65 mm
• Materials: Zinc Selenide, Other

Description: The 61983-117 DURALENS™ coated Meniscus Infrared Lens is made of ZnSe material and is Trumpf® / Amada® OEM compatible. It has a diameter of 1.5 in. (38.1 mm), edge thickness of 7.4 mm, and a focal length of 7.5 in. Zinc Selenide's low absorption coefficient

• Antireflection Coating: Yes
• Diameter / Length: 38.1 mm
• Edge Thickness: 7.4 mm
• Materials: Zinc Selenide, Other

Description: The 631079-117 DURALENS™ coated Meniscus Infrared Lens is made of ZnSe material and is Bystronic® OEM compatible. It has a diameter of 1.5 in. (38.1 mm), edge thickness of 9 mm, and a focal length of 5.0 in. Zinc Selenide's low absorption coefficient makes it a perfect

• Antireflection Coating: Yes
• Diameter / Length: 38.1 mm
• Edge Thickness: 9 mm
• Materials: Zinc Selenide, Other

Description: /concave, meniscus, etc. • Standard coating options include: 400-500nm, 600-700nm, 1070-1080nm • Both stocked and custom versions are available Descriptions: Hangzhou Shalom EO offers Stocked and Custom Aspheric Condenser Lenses made of UV Fused Silica

• Diameter / Length: 37 mm
• Focal Length: 200 mm
• Materials: UV Grade Fused Silica, Other

Description: Meniscus lenses provide superior accuracy

• Antireflection Coating: Yes
• Diameter / Length: 38 mm
• Edge Thickness: 7.3 mm
• Focal Length: 127 mm

Description: production stage, we can realize the consistency and steadiness of the quality of our products. Our aspheric collimators are compatible with 6000W-30000W continuous laser systems, the lens could take various forms such as plano-convex, meniscus, biconvex, etc. The standard coating

• Center Thickness: 6 mm
• Diameter / Length: 38.1 mm
• Materials: Other
• Surface Flatness: λ/8

Description: • Two types of lenses available: Plano-convex and Meniscus lenses • High-Quality CVD ZnSe grew in America, ensuring efficient power output and thermal resistance • AR coating with an excellent transmittance of T=99.5%@10.6mm • Maximum diameter 200mm

Description: Meniscus lenses provide superior accuracy, Black Magic coating

• Antireflection Coating: Yes
• Diameter / Length: 50.8 mm
• Edge Thickness: 8 mm
• Focal Length: 191 mm

Description: Meniscus lenses provide superior accuracy, Black Magic? coating

• Antireflection Coating: Yes
• Diameter / Length: 27.9 mm
• Edge Thickness: 5.1 mm
• Focal Length: 127 mm

Description: 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

• Antireflection Coating: Yes
• Materials: BK7 Glass, Calcium Fluoride, Sapphire, Other
• Surface Flatness: λ/4, Other
• Surface Quality: 10-5 Scratch / Dig, 60-40 Scratch / Dig

Description: The H-K9L double concave lens has excellent transmittance from visible to near infrared (350-2000nm).H-K9L (N-BK7) is a commonly used optical glass for the preparation of high-quality optical elements. When the additional advantages of UV melting quartz (good transmittance and low thermal

• Lens Application: Infrared, Visible
• Materials: Germanium, Sapphire, Other
• Surface Flatness: λ/10
• Surface Quality: 10-5 Scratch / Dig

Description: POSITIV MENISCUS LENS; N-BAK4; D

• Focal Length: 50 mm
• Materials: Other

Description: Zinc selenide (ZnSe) is the most popular material for infrared applications. Due to a very wide transmission range covering 0.6-22 µm chemical vapor deposition grown ZnSe as a high optical quality material is used to manufacture optical components (windows, mirrors, lenses) for high power

• Diameter / Length: 12.7 to 76.2 mm
• Focal Length: 25.4 to 254 mm
• Surface Quality: 40-20 Scratch / Dig

Description: S etc.). Examples are: Plano-Convex Cylindrical lens, Plano-Concave Cylindrical lens, Bi-Convex Cylindrical lens, Double Concave Cylindrical lens, Meniscus Cylindrical lens. We also can produce special Cylindrical lenses, such as Achromatic

• Lens Application: Ultraviolet
• Lens Type: Cylindrical Lens

Description: real and virtual images. Real images are focused and virtual images are magnified. Positive Meniscus Lenses are designed to minimize spherical aberration and are usually used in small f-number applications (f# <2.5). For 2.5 f#<10, meniscus lenses can also improve image

• Lens Type: Spherical Lens
• Materials: BK7 Glass, Calcium Fluoride, Germanium, Sapphire, Zinc Selenide, UV Grade Fused Silica, Other
• Surface Flatness: ?/4, ?/10, Other
• Surface Quality: 10-5 Scratch / Dig, 20-10 Scratch / Dig, 40-20 Scratch / Dig

Description: Fused silica is suitable for DUV-applications Positive meniscus lenses Surfaces uncoated

• Diameter / Length: 42 mm
• Focal Length: 145 mm
• Lens Type: Spherical Lens
• Materials: Other

Description: . MOK Optics have strong capability to produce various lenses including: Plano-convex Lense Plano-concave Lense Biconvex lense / Double convex Lense Biconcave lense / Double concave Lense Meniscus Lense Achromatic lense / Doublet Lense Cylindrical Lense Rod Lense Powell Lense

• Antireflection Coating: Yes
• Diameter: 3 to 250 mm
• Laser / Heat Resistant: Yes
• Materials: Germanium, Sapphire, UV Grade Fused Silica, Other

Description: Spherical Positive Mensicus Lens H-K9L Positive Meniscus Lens has excellent transmittance from visible to near infrared (350-2000nm).H-K9L (N-BK7) is a commonly used optical glass for the preparation of high-quality optical elements. When the additional advantages of UV melting

• Lens Application: Infrared, Visible
• Lens Form: Plano-Convex, Plano-Concave
• Materials: Germanium, Sapphire, Other
• Surface Flatness: λ/10

Description: Fused Silica Spherical Lenses are useful for a wide range of applications. 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

• Lens Application: Ultraviolet
• Materials: UV Grade Fused Silica