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ISP Optics Zinc Selenide (ZnSe) Meniscus Lenses

See More by ISP Optics

Positive or Negative Meniscus Lenses
CVD Grade Zinc Selenide (ZnSe) Ideal for CO₂ Systems
Uncoated or BBAR Coated for 8 – 12µm

ISP Optics Zinc Selenide (ZnSe) Meniscus Lenses feature positive and negative meniscus designs that minimize spherical aberration. Positive meniscus lenses enable smaller spot sizes than possible with PCX lenses, making them ideal for use in CO₂ laser applications for precise marking or cutting. Negative meniscus lenses are used to increase the focal length when used with additional lenses, decreasing the numerical aperture of an optical system. ISP Optics Zinc Selenide (ZnSe) Meniscus Lenses are available in standard imperial sizes either uncoated or Broadband Anti-Reflection (BBAR) coated for enhanced transmission from 8 – 12µm.

Common Specifications

Centering (arcmin):

Clear Aperture (%):

Substrate:

Zinc Selenide (ZnSe), CVD Grade

Focal Length Tolerance (%):

±2

Surface Quality:

60-40

Irregularity (P-V) @ 10.6μm:

λ/20

Products

Dia. (mm)	EFL (mm)	Coating	Model Number	Stock Number	Price	Buy

25.40 25.40	-25.00 -25.00	Uncoated Uncoated	ZC-NM-25-25 ZC-NM-25-25	#24-899 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	42,195 ₹42,195 Request Quote	10 to 12 days ×
25.40 25.40	-38.00 -38.00	Uncoated Uncoated	ZC-NM-25-38 ZC-NM-25-38	#24-900 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	41,325 ₹41,325 Request Quote	10 to 12 days ×
25.40 25.40	-50.00 -50.00	Uncoated Uncoated	ZC-NM-25-50 ZC-NM-25-50	#24-901 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	41,325 ₹41,325 Request Quote	10 to 12 days ×
25.40 25.40	-75.00 -75.00	Uncoated Uncoated	ZC-NM-25-76 ZC-NM-25-76	#24-902 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	41,325 ₹41,325 Request Quote	10 to 12 days ×
25.40 25.40	-100.00 -100.00	Uncoated Uncoated	ZC-NM-25-100 ZC-NM-25-100	#24-903 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	41,325 ₹41,325 Request Quote	10 to 12 days ×
25.40 25.40	-127.00 -127.00	Uncoated Uncoated	ZC-NM-25-127 ZC-NM-25-127	#24-904 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	41,325 ₹41,325 Request Quote	10 to 12 days ×
25.40 25.40	-50.00 -50.00	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-NM-25-50 AR812-ZC-NM-25-50	#24-905 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	50,895 ₹50,895 Request Quote	10 to 12 days ×
25.40 25.40	-75.00 -75.00	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-NM-25-76 AR812-ZC-NM-25-76	#24-907 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	50,895 ₹50,895 Request Quote	10 to 12 days ×
25.40 25.40	-100.00 -100.00	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-NM-25-100 AR812-ZC-NM-25-100	#24-908 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	50,895 ₹50,895 Request Quote	Contact Us ×
12.70 12.70	13.00 13.00	Uncoated Uncoated	ZC-PM-12-12 ZC-PM-12-12	#24-909 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	28,710 ₹28,710 Request Quote	10 to 12 days ×
12.70 12.70	50.80 50.80	Uncoated Uncoated	ZC-PM-12-50 ZC-PM-12-50	#24-910 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	27,840 ₹27,840 Request Quote	10 to 12 days ×
25.40 25.40	25.40 25.40	Uncoated Uncoated	ZC-PM-25-25 ZC-PM-25-25	#24-911 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	40,455 ₹40,455 Request Quote	10 to 12 days ×
25.40 25.40	38.10 38.10	Uncoated Uncoated	ZC-PM-25-38 ZC-PM-25-38	#24-912 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	40,455 ₹40,455 Request Quote	10 to 12 days ×
25.40 25.40	50.80 50.80	Uncoated Uncoated	ZC-PM-25-50 ZC-PM-25-50	#24-913 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	40,455 ₹40,455 Request Quote	10 to 12 days ×
25.40 25.40	76.20 76.20	Uncoated Uncoated	ZC-PM-25-76 ZC-PM-25-76	#24-914 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	38,715 ₹38,715 Request Quote	10 to 12 days ×
25.40 25.40	101.00 101.00	Uncoated Uncoated	ZC-PM-25-100 ZC-PM-25-100	#24-915 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	38,715 ₹38,715 Request Quote	10 to 12 days ×
25.40 25.40	127.00 127.00	Uncoated Uncoated	ZC-PM-25-127 ZC-PM-25-127	#24-916 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	38,715 ₹38,715 Request Quote	10 to 12 days ×
25.40 25.40	150.00 150.00	Uncoated Uncoated	ZC-PM-25-150 ZC-PM-25-150	#24-917 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	38,715 ₹38,715 Request Quote	10 to 12 days ×
38.10 38.10	38.10 38.10	Uncoated Uncoated	ZC-PM-38-38 ZC-PM-38-38	#24-918 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
38.10 38.10	50.80 50.80	Uncoated Uncoated	ZC-PM-38-50 ZC-PM-38-50	#24-919 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
38.10 38.10	63.50 63.50	Uncoated Uncoated	ZC-PM-38-63 ZC-PM-38-63	#24-920 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
38.10 38.10	101.00 101.00	Uncoated Uncoated	ZC-PM-38-100 ZC-PM-38-100	#24-921 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
38.10 38.10	127.00 127.00	Uncoated Uncoated	ZC-PM-38-127 ZC-PM-38-127	#24-922 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
38.10 38.10	203.00 203.00	Uncoated Uncoated	ZC-PM-38-200 ZC-PM-38-200	#24-923 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
50.80 50.80	50.80 50.80	Uncoated Uncoated	ZC-PM-50-50 ZC-PM-50-50	#24-924 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	78,300 ₹78,300 Request Quote	10 to 12 days ×
50.80 50.80	76.20 76.20	Uncoated Uncoated	ZC-PM-50-76 ZC-PM-50-76	#24-925 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	78,300 ₹78,300 Request Quote	10 to 12 days ×
50.80 50.80	101.00 101.00	Uncoated Uncoated	ZC-PM-50-100 ZC-PM-50-100	#24-926 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	78,300 ₹78,300 Request Quote	10 to 12 days ×
50.80 50.80	127.00 127.00	Uncoated Uncoated	ZC-PM-50-127 ZC-PM-50-127	#24-927 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	78,300 ₹78,300 Request Quote	10 to 12 days ×
50.80 50.80	203.00 203.00	Uncoated Uncoated	ZC-PM-50-200 ZC-PM-50-200	#24-928 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	78,300 ₹78,300 Request Quote	10 to 12 days ×
12.70 12.70	25.40 25.40	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-PM-12-25 AR812-ZC-PM-12-25	#24-930 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	34,800 ₹34,800 Request Quote	10 to 12 days ×
12.70 12.70	50.80 50.80	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-PM-12-50 AR812-ZC-PM-12-50	#24-931 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	34,800 ₹34,800 Request Quote	10 to 12 days ×
25.40 25.40	25.40 25.40	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-PM-25-25 AR812-ZC-PM-25-25	#24-932 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
25.40 25.40	38.10 38.10	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-PM-25-38 AR812-ZC-PM-25-38	#24-933 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
25.40 25.40	50.80 50.80	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-PM-25-50 AR812-ZC-PM-25-50	#24-934 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
25.40 25.40	63.50 63.50	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-PM-25-63 AR812-ZC-PM-25-63	#24-935 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
25.40 25.40	76.20 76.20	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-PM-25-76 AR812-ZC-PM-25-76	#24-936 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
25.40 25.40	101.00 101.00	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-PM-25-100 AR812-ZC-PM-25-100	#24-937 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
25.40 25.40	127.00 127.00	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-PM-25-127 AR812-ZC-PM-25-127	#24-938 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×
25.40 25.40	150.00 150.00	BBAR (8000-12000nm) BBAR (8000-12000nm)	AR812-ZC-PM-25-150 AR812-ZC-PM-25-150	#24-939 Clearance Clearance Availability is limited, so buy before these products disappear. Sorry, we cannot accept returns. Receive up to 80% off select products.	47,850 ₹47,850 Request Quote	10 to 12 days ×

Accessories

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Zinc Selenide (ZnSe) Optics

Resources

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Anti-Reflection (AR) Coatings

Anti-reflection (AR) coatings are applied to optical components to increase throughput and reduce hazards caused by back-reflections.

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An Introduction to Optical Coatings

Optical coatings are used to influence the transmission, reflection, or polarization properties of an optical component.

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Lens Geometry Performance Comparison

This comparison of the performance of aspheric, achromatic, and spherical PCX lenses in different situations reveals the ideal use cases for each type of lens.

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Understanding Optical Specifications

Do you want to know more about the importance of optical specifications? Learn the different types of specifications and their impact on your system at Edmund Optics.

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Advantages of Using Meniscus Lenses in Infrared Applications

Meniscus lenses offer superior performance compared to plano convex lenses in IR applications. Find out the benefits of using a meniscus lens at Edmund Optics.

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Advantages of using engineered chalcogenide glass for color corrected, passively athermalized LWIR imaging systems

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Infrared Light

Optical Engineer Andrew Fisher explains how you can see the "invisible" light, or infrared light, from your own TV remote.

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Short Wave Infrared (SWIR)

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SAG Calculator

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The Correct Material for Infrared (IR) Applications

Using an Infrared Application? Discover the importance of choosing the right material and comparisons of each at Edmund Optics.

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Is it okay to clean an infrared lens, for example one made of germanium, with ethanol?

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Infrared (IR) Spectrum

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Future of Spherical Lenses

Traditional spherical lenses are evolving due to the increasing demands of applications. Learn about the future of spherical lenses at Edmund Optics.

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Edge-Blackening

Have a question about Edge-Blackening? Find more information on stray light, measuring BRDF, and more at Edmund Optics.

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Geometrical Optics 101: Paraxial Ray Tracing Calculations

Do you use ray tracing on a regular basis? Learn more about the calculations aspect, along with steps and software at Edmund Optics.

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Optics Application Examples

Looking for application examples? Find examples for Detector Systems, Selecting the Right Lens, and Building a Projection System at Edmund Optics.

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Understanding Optical Lens Geometries

Optical lens geometries control light in different ways. Learn about Snell's Law of Refraction, lens terminology and geometries at Edmund Optics.

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Precision Tolerances for Spherical Lenses

Optical lenses require very precise tolerances. Learn more about tolerances for spherical lenses at Edmund Optics.

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Keys to Cost Effective Optical Design and Tolerancing

Are you looking for ways to make cost effective optical designs? Find more information on selecting specifications and using tolerancing schemes at Edmund Optics.

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How do I clean my lenses?

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Is it possible to find Plano-Concave (PCV) or Double Concave (DCV) lenses where the diameter is greater than the focal length?

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How does reversing the orientation of a PCX lens affect the EFL and BFL in a setup?

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Double-Concave (DCV) Lens

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Double-Convex (DCX) Lens

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Meniscus Lens

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Plano-Concave (PCV) Lens

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Plano-Convex (PCX) Lens

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UV vs. IR Grade Fused Silica

UV grade fused silica is ideal for UV and visible applications, but IR grade fused silica has better transmission in the IR due to a lack of OH- impurities.

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What is SWIR?

Have a question about short-wave infrared (SWIR)? Find definitions, application uses, and examples at Edmund Optics.

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Hyperspectral and Multispectral Imaging

Are you trying to gauge depth of field in your imaging system? Take a closer look at this article on depth of field calculations at Edmund Optics.

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Hyperspectral & Multispectral Imaging – TRENDING IN OPTICS: EPISODE 7

Hyperspectral and multispectral imaging are imaging technologies that capture information from a broader portion of the electromagnetic spectrum.

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You offer many substrates for UV and IR applications. How do I know which is best for me?

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How to Design your own Beam Expander Using Stock Optics

Are standard beam expanders not meeting your application requirements? Learn how to design your own beam expander using stock optics at Edmund Optics.

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Rapid Optical Prototyping

Quickly Respond to Collapsing Product Lifecycles

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Modifying Stock Optics Tip #3: Turn A Sphere Into An Asphere

Join Andrew Fisher, Manufacturing R&D Engineer at Edmund Optics, as he discusses some tips for modifying stock optical components to fit your application's needs.

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I am looking to prototype an illumination system. My objective is to use a small halogen filament bulb and end up with a beam of light. What would be the best lens or lens combination to give me this projected spot of light?

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What is the difference between the effective focal length and the back focal length?

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What are the benefits of aspheric lenses compared to standard singlet lenses?

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Back Focal Length (BFL)

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Field Curvature

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Sag

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Optical Glass

Choosing the right optical glass is important. Find out factors and properties on how to select the right optical glass at Edmund Optics.

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Aberrations

Need help understanding aberration theory? Learn about a few fundamental concepts to help clarify your understanding at Edmund Optics.

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The Airy Disk and Diffraction Limit

The diffraction pattern caused when light passes through an aperture is called the Airy Disk. Find out how the Airy Disk can impact your image at Edmund Optics.

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What is the difference between an inked lens and a non-inked one?

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If I want to design with your lenses and lens assemblies, how do I get the information that I need?

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Now that I have chosen my lens, how do I mount it?

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Center Thickness (CT)

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Chromatic Focal Shift

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Conjugate Distance

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Épaisseur de bord

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Distance focale effective (EFL)

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Finite/Finite Conjugate

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Power

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Singlet Lens

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How to Determine Magnification of an Optical Lens Setup

When doing basic imaging, how do you determine the magnification an optical lens will provide?

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Understanding Collimation to Determine Optical Lens Focal Length

Collimated light occurs when light rays travel parallel to each other.

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How to Form an Image with an Optical Lens Setup

Although a common misconception, individual optical lenses do not always form an image when the object plane is placed a focal length away from the lens.

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Modifying Stock Optics Tip #4: Add A Coating To A Stock Lens

Join Andrew Fisher, Manufacturing R&D Engineer at Edmund Optics, as he discusses some tips for modifying stock optical components to fit your application's needs.

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Irregularity

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Radius of Curvature

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BBAR Coating

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Diopter

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Understanding Surface Quality Specifications

The surface quality of optical components the scattering off of its surface, which is especially important in laser optics applications.

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Anti-Reflection (AR) Coating

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Bevel

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Seamed Edge

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Introduction to Basic Ray Optics

An understanding of refraction and basic ray optics is a critical foundation for understanding more complicated optical concepts and technologies.

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Surface Flatness

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Transmission

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How do I clean my optics?

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Integration of Optical Systems

Are you looking to use integration in your next system? Find out more about integrating in both imaging and non-imaging applications at Edmund Optics.

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Stock and Custom Optics Manufacturing Capabilities

Edmund Optics is a global stock and custom optics manufacturing company with in house optical designers and on-site metrology and environmental testing.

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Edmund Optics Global Manufacturing Facilities

Edmund Optics® (EO) manufactures millions of precision optical components and subassemblies every year in our 5 global manufacturing facilities.

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Metrology at Edmund Optics: Measuring as a Key Component of Manufacturing

Learn about the metrology that Edmund Optics® uses to guarantee the quality of all optical components and assemblies.

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Clear Aperture (CA)

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Refraction

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Surface Quality

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ISP Optics Zinc Selenide (ZnSe) Meniscus Lenses

Protect your investment.

Common Specifications

Products

Accessories

Related Products

Resources

Anti-Reflection (AR) Coatings

An Introduction to Optical Coatings

Lens Geometry Performance Comparison

Understanding Optical Specifications

Advantages of Using Meniscus Lenses in Infrared Applications

Advantages of using engineered chalcogenide glass for color corrected, passively athermalized LWIR imaging systems

Infrared Light

Short Wave Infrared (SWIR)

SAG Calculator

The Correct Material for Infrared (IR) Applications

Is it okay to clean an infrared lens, for example one made of germanium, with ethanol?

Infrared (IR) Spectrum

Future of Spherical Lenses

Edge-Blackening

Geometrical Optics 101: Paraxial Ray Tracing Calculations

Optics Application Examples

Understanding Optical Lens Geometries

Precision Tolerances for Spherical Lenses

Keys to Cost Effective Optical Design and Tolerancing

How do I clean my lenses?

Is it possible to find Plano-Concave (PCV) or Double Concave (DCV) lenses where the diameter is greater than the focal length?

How does reversing the orientation of a PCX lens affect the EFL and BFL in a setup?

Double-Concave (DCV) Lens

Double-Convex (DCX) Lens

Meniscus Lens

Plano-Concave (PCV) Lens

Plano-Convex (PCX) Lens

UV vs. IR Grade Fused Silica

What is SWIR?

Hyperspectral and Multispectral Imaging

Hyperspectral & Multispectral Imaging – TRENDING IN OPTICS: EPISODE 7

You offer many substrates for UV and IR applications. How do I know which is best for me?

How to Design your own Beam Expander Using Stock Optics

Rapid Optical Prototyping

Modifying Stock Optics Tip #3: Turn A Sphere Into An Asphere

I am looking to prototype an illumination system. My objective is to use a small halogen filament bulb and end up with a beam of light. What would be the best lens or lens combination to give me this projected spot of light?

What is the difference between the effective focal length and the back focal length?

What are the benefits of aspheric lenses compared to standard singlet lenses?

Back Focal Length (BFL)

Field Curvature

Sag

Optical Glass

Aberrations

The Airy Disk and Diffraction Limit

What is the difference between an inked lens and a non-inked one?

If I want to design with your lenses and lens assemblies, how do I get the information that I need?

Now that I have chosen my lens, how do I mount it?

Center Thickness (CT)

Chromatic Focal Shift

Conjugate Distance

Épaisseur de bord

Distance focale effective (EFL)

Finite/Finite Conjugate

Power

Singlet Lens

How to Determine Magnification of an Optical Lens Setup

Understanding Collimation to Determine Optical Lens Focal Length

How to Form an Image with an Optical Lens Setup

Modifying Stock Optics Tip #4: Add A Coating To A Stock Lens

Irregularity

Radius of Curvature

BBAR Coating

Diopter

Understanding Surface Quality Specifications

Anti-Reflection (AR) Coating

Bevel

Seamed Edge

Introduction to Basic Ray Optics

Surface Flatness

Transmission

How do I clean my optics?

Integration of Optical Systems

Stock and Custom Optics Manufacturing Capabilities