YOUR PRIVACY IS IMPORTANT TO US

Edmund Optics uses cookies to optimize and enhance the features and content on our website. Click “OK” for the full user experience, you can view additional information on the cookies we use by clicking the “Details” button. We do NOT sell your information from marketing cookies, we use it to improve ONLY YOUR experience with Edmund Optics.

Details

Necessary cookies help make a website usable by enabling basic functions like page navigation and access to secure areas of the website. The website cannot function properly without these cookies.
- Cookiebot
  1
  Learn more about this provider
  CookieConsentStores the user's cookie consent state for the current domain
  Maximum Storage Duration: 1 yearType: HTTP Cookie
- Google
  2
  Learn more about this provider
  Some of the data collected by this provider is for the purposes of personalization and measuring advertising effectiveness.
  rc::aThis cookie is used to distinguish between humans and bots. This is beneficial for the website, in order to make valid reports on the use of their website.
  Maximum Storage Duration: PersistentType: HTML Local Storage
  rc::cThis cookie is used to distinguish between humans and bots.
  Maximum Storage Duration: SessionType: HTML Local Storage
- LinkedIn
  1
  Learn more about this provider
  li_gcStores the user's cookie consent state for the current domain
  Maximum Storage Duration: 6 monthsType: HTTP Cookie
- LiveChat
  2
  Learn more about this provider
  __lc_cidNecessary for the functionality of the website's chat-box function...
  Maximum Storage Duration: 400 daysType: HTTP Cookie
  __lc_cstNecessary for the functionality of the website's chat-box function.
  Maximum Storage Duration: 400 daysType: HTTP Cookie
- edmundoptics.com.au
  1
  QuoteIDStores the ID of your quotation cart.
  Maximum Storage Duration: 14 daysType: HTTP Cookie
- edmundoptics.com
  eogo.edmundoptics.com
  radar.cloudflare.com
  3
  __cf_bm [x3]This cookie is used to distinguish between humans and bots. This is beneficial for the website, in order to make valid reports on the use of their website.
  Maximum Storage Duration: 1 dayType: HTTP Cookie
- eogo.edmundoptics.com
  1
  BIGipServer#Used to distribute traffic to the website on several servers in order to optimise response times.
  Maximum Storage Duration: SessionType: HTTP Cookie
- productimages.edmundoptics.com
  www.edmundoptics.com.au
  4
  AWSALB [x2]Registers which server-cluster is serving the visitor. This is used in context with load balancing, in order to optimize user experience.
  Maximum Storage Duration: 7 daysType: HTTP Cookie
  AWSALBCORS [x2]Registers which server-cluster is serving the visitor. This is used in context with load balancing, in order to optimize user experience.
  Maximum Storage Duration: 7 daysType: HTTP Cookie
- service.mtcaptcha.com
  3
  jsVThese cookies are used to secure the website from unwanted bots and automated scripts and help verify human users.
  Maximum Storage Duration: SessionType: HTTP Cookie
  mtv1ConfSumhttps://www.mtcaptcha.com/faq-cookie-declaration
  Maximum Storage Duration: SessionType: HTTP Cookie
  mtv1Pulsehttps://www.mtcaptcha.com/faq-cookie-declaration
  Maximum Storage Duration: SessionType: HTTP Cookie
- www.edmundoptics.com.au
  3
  .AspNetCore.Antiforgery.#Helps prevent Cross-Site Request Forgery (CSRF) attacks.
  Maximum Storage Duration: SessionType: HTTP Cookie
  .AspNetCore.Mvc.CookieTempDataProviderPreserves the visitor's session state across page requests.
  Maximum Storage Duration: SessionType: HTTP Cookie
  UMB_SESSIONStores domain prefix to determine whether it holds https or http URL properties.
  Maximum Storage Duration: SessionType: HTTP Cookie
Preference cookies enable a website to remember information that changes the way the website behaves or looks, like your preferred language or the region that you are in.
- LiveChat
  1
  Learn more about this provider
  __oauth_redirect_detectorAllows the website to recoqnise the visitor, in order to optimize the chat-box functionality.
  Maximum Storage Duration: 1 dayType: HTTP Cookie
- Livechat
  1
  Learn more about this provider
  @@lc_auth_token:3b0f44ba-5eb5-4bb1-a9e1-2214776a186bIdentifies the visitor across devices and visits, in order to optimize the chat-box function on the website.
  Maximum Storage Duration: PersistentType: HTML Local Storage
- edmundoptics.com.au
  1
  chatEngagedIndicates whether the user has interacted with the website's chat-box, in order to determine whether they should be shown chat invites.
  Maximum Storage Duration: 14 daysType: HTTP Cookie
Statistic cookies help website owners to understand how visitors interact with websites by collecting and reporting information anonymously.
- Convert Insight
  4
  Learn more about this provider
  conv_variationsThis cookie is used by the website’s operator in context with multi-variate testing. This is a tool used to combine or change content on the website. This allows the website to find the best variation/edition of the site.
  Maximum Storage Duration: PersistentType: HTML Local Storage
  _conv_rThis cookie is used as a referral-cookie that stores the visitor’s profile – the cookie is overwritten when the visitor re-enters the website and new information on the visitor is collected and stored.
  Maximum Storage Duration: SessionType: HTTP Cookie
  _conv_sThis cookie contains an ID string on the current session. This contains non-personal information on what subpages the visitor enters – this information is used to optimize the visitor's experience.
  Maximum Storage Duration: 1 dayType: HTTP Cookie
  _conv_vThis cookie is used to identify the frequency of visits and how long the visitor is on the website. The cookie is also used to determine how many and which subpages the visitor visits on a website – this information can be used by the website to optimize the domain and its subpages.
  Maximum Storage Duration: 6 monthsType: HTTP Cookie
- Google
  5
  Learn more about this provider
  Some of the data collected by this provider is for the purposes of personalization and measuring advertising effectiveness.
  _ga [x2]Registers a unique ID that is used to generate statistical data on how the visitor uses the website.
  Maximum Storage Duration: 25 monthsType: HTTP Cookie
  _ga_# [x3]Used by Google Analytics to collect data on the number of times a user has visited the website as well as dates for the first and most recent visit.
  Maximum Storage Duration: 25 monthsType: HTTP Cookie
- Livechat
  1
  Learn more about this provider
  _livechat_has_visitedIdentifies the visitor across devices and visits, in order to optimize the chat-box function on the website.
  Maximum Storage Duration: PersistentType: HTML Local Storage
- edmundoptics.com.au
  3
  ce_diff_timeUsed by Crazy Egg to offset time for analytics purposes.
  Maximum Storage Duration: 14 daysType: HTTP Cookie
  ce_ip_addressUsed by Crazy Egg to store the user's IP address.
  Maximum Storage Duration: 14 daysType: HTTP Cookie
  events/1/#Used by New Relic to monitor the performance of the page and page elements during user interaction.
  Maximum Storage Duration: 14 daysType: HTTP Cookie
Marketing cookies are used to track visitors across websites. The intention is to display ads that are relevant and engaging for the individual user and thereby more valuable for publishers and third party advertisers.
- Meta Platforms, Inc.
  4
  Learn more about this provider
  _fbp [x2]Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers.
  Maximum Storage Duration: 3 monthsType: HTTP Cookie
  lastExternalReferrerDetects how the user reached the website by registering their last URL-address.
  Maximum Storage Duration: PersistentType: HTML Local Storage
  lastExternalReferrerTimeDetects how the user reached the website by registering their last URL-address.
  Maximum Storage Duration: PersistentType: HTML Local Storage
- Convert Insight
  2
  Learn more about this provider
  conv_randThis cookie is used by the website’s operator in context with multi-variate testing. This is a tool used to combine or change content on the website. This allows the website to find the best variation/edition of the site.
  Maximum Storage Duration: PersistentType: HTML Local Storage
  _conv_sptestThis cookie is used by the website’s operator in context with multi-variate testing. This is a tool used to combine or change content on the website. This allows the website to find the best variation/edition of the site.
  Maximum Storage Duration: SessionType: HTTP Cookie
- Google
  9
  Learn more about this provider
  Some of the data collected by this provider is for the purposes of personalization and measuring advertising effectiveness.
  _gcl_au [x2]Used by Google AdSense for experimenting with advertisement efficiency across websites using their services.
  Maximum Storage Duration: 3 monthsType: HTTP Cookie
  IDEUsed by Google DoubleClick to register and report the website user's actions after viewing or clicking one of the advertiser's ads with the purpose of measuring the efficacy of an ad and to present targeted ads to the user.
  Maximum Storage Duration: 400 daysType: HTTP Cookie
  test_cookieUsed to check if the user's browser supports cookies.
  Maximum Storage Duration: 1 dayType: HTTP Cookie
  _gatUsed to send data to Google Analytics about the visitor's device and behavior. Tracks the visitor across devices and marketing channels.
  Maximum Storage Duration: 1 dayType: HTTP Cookie
  _gidUsed to send data to Google Analytics about the visitor's device and behavior. Tracks the visitor across devices and marketing channels.
  Maximum Storage Duration: 1 dayType: HTTP Cookie
  NIDRegisters a unique ID that identifies a returning user's device. The ID is used for targeted ads.
  Maximum Storage Duration: 6 monthsType: HTTP Cookie
  pagead/1p-user-list/#Tracks if the user has shown interest in specific products or events across multiple websites and detects how the user navigates between sites. This is used for measurement of advertisement efforts and facilitates payment of referral-fees between websites.
  Maximum Storage Duration: SessionType: Pixel Tracker
  collectUsed to send data to Google Analytics about the visitor's device and behavior. Tracks the visitor across devices and marketing channels.
  Maximum Storage Duration: SessionType: Pixel Tracker
- LinkedIn
  2
  Learn more about this provider
  bcookieUsed by the social networking service, LinkedIn, for tracking the use of embedded services.
  Maximum Storage Duration: 1 yearType: HTTP Cookie
  lidcUsed by the social networking service, LinkedIn, for tracking the use of embedded services.
  Maximum Storage Duration: 2 daysType: HTTP Cookie
- Usercentrics GmbH
  1
  Learn more about this provider
  1.gifUsed to count the number of sessions to the website, necessary for optimizing CMP product delivery.
  Maximum Storage Duration: SessionType: Pixel Tracker
- Wisepops
  17
  Learn more about this provider
  __tld__ [x2]Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor's preferences.
  Maximum Storage Duration: SessionType: HTTP Cookie
  wisepops [x2]Used in context with pop-up advertisement-content on the website. The cookie determines which ads the visitor should be shown, as well as ensuring that the same ads does not get shown more than intended.
  Maximum Storage Duration: SessionType: HTTP Cookie
  wisepops_props [x2]Used in context with pop-up advertisement-content on the website. The cookie determines which ads the visitor should be shown, as well as ensuring that the same ads does not get shown more than intended.
  Maximum Storage Duration: SessionType: HTTP Cookie
  wisepops_session [x2]Used in context with pop-up advertisement-content on the website. The cookie determines which ads the visitor should be shown, as well as ensuring that the same ads does not get shown more than intended.
  Maximum Storage Duration: SessionType: HTTP Cookie
  wisepops_visitor [x2]Used in context with pop-up advertisement-content on the website. The cookie determines which ads the visitor should be shown, as well as ensuring that the same ads does not get shown more than intended.
  Maximum Storage Duration: SessionType: HTTP Cookie
  wisepops_visits [x2]Used in context with pop-up advertisement-content on the website. The cookie determines which ads the visitor should be shown, as well as ensuring that the same ads does not get shown more than intended.
  Maximum Storage Duration: SessionType: HTTP Cookie
  wisepops_session_idUsed in context with pop-up advertisement-content on the website. The cookie determines which ads the visitor should be shown, as well as ensuring that the same ads does not get shown more than intended.
  Maximum Storage Duration: SessionType: HTML Local Storage
  wisepops_session_landing_urlUsed in context with pop-up advertisement-content on the website. The cookie determines which ads the visitor should be shown, as well as ensuring that the same ads does not get shown more than intended.
  Maximum Storage Duration: SessionType: HTML Local Storage
  wisepops_session_referrerUsed in context with pop-up advertisement-content on the website. The cookie determines which ads the visitor should be shown, as well as ensuring that the same ads does not get shown more than intended.
  Maximum Storage Duration: SessionType: HTML Local Storage
  wisepops-pageview_idUsed in context with pop-up advertisement-content on the website. The cookie determines which ads the visitor should be shown, as well as ensuring that the same ads does not get shown more than intended.
  Maximum Storage Duration: SessionType: HTML Local Storage
  wisepops-uses-attentionUsed in context with pop-up advertisement-content on the website. The cookie determines which ads the visitor should be shown, as well as ensuring that the same ads does not get shown more than intended.
  Maximum Storage Duration: SessionType: HTML Local Storage
- YouTube
  21
  Learn more about this provider
  #-#Used to track user’s interaction with embedded content.
  Maximum Storage Duration: SessionType: HTML Local Storage
  __Secure-ROLLOUT_TOKENPending
  Maximum Storage Duration: 180 daysType: HTTP Cookie
  iU5q-!O9@$Registers a unique ID to keep statistics of what videos from YouTube the user has seen.
  Maximum Storage Duration: SessionType: HTML Local Storage
  LAST_RESULT_ENTRY_KEYUsed to track user’s interaction with embedded content.
  Maximum Storage Duration: SessionType: HTTP Cookie
  LogsDatabaseV2:V#||LogsRequestsStoreStores the user's video player preferences using embedded YouTube video
  Maximum Storage Duration: PersistentType: IndexedDB
  nextIdUsed to track user’s interaction with embedded content.
  Maximum Storage Duration: SessionType: HTTP Cookie
  remote_sidNecessary for the implementation and functionality of YouTube video-content on the website.
  Maximum Storage Duration: SessionType: HTTP Cookie
  requestsUsed to track user’s interaction with embedded content.
  Maximum Storage Duration: SessionType: HTTP Cookie
  ServiceWorkerLogsDatabase#SWHealthLogNecessary for the implementation and functionality of YouTube video-content on the website.
  Maximum Storage Duration: PersistentType: IndexedDB
  TESTCOOKIESENABLEDUsed to track user’s interaction with embedded content.
  Maximum Storage Duration: 1 dayType: HTTP Cookie
  VISITOR_INFO1_LIVETries to estimate the users' bandwidth on pages with integrated YouTube videos.
  Maximum Storage Duration: 180 daysType: HTTP Cookie
  YSCRegisters a unique ID to keep statistics of what videos from YouTube the user has seen.
  Maximum Storage Duration: SessionType: HTTP Cookie
  ytidb::LAST_RESULT_ENTRY_KEYStores the user's video player preferences using embedded YouTube video
  Maximum Storage Duration: PersistentType: HTML Local Storage
  YtIdbMeta#databasesUsed to track user’s interaction with embedded content.
  Maximum Storage Duration: PersistentType: IndexedDB
  yt-remote-cast-availableStores the user's video player preferences using embedded YouTube video
  Maximum Storage Duration: SessionType: HTML Local Storage
  yt-remote-cast-installedStores the user's video player preferences using embedded YouTube video
  Maximum Storage Duration: SessionType: HTML Local Storage
  yt-remote-connected-devicesStores the user's video player preferences using embedded YouTube video
  Maximum Storage Duration: PersistentType: HTML Local Storage
  yt-remote-device-idStores the user's video player preferences using embedded YouTube video
  Maximum Storage Duration: PersistentType: HTML Local Storage
  yt-remote-fast-check-periodStores the user's video player preferences using embedded YouTube video
  Maximum Storage Duration: SessionType: HTML Local Storage
  yt-remote-session-appStores the user's video player preferences using embedded YouTube video
  Maximum Storage Duration: SessionType: HTML Local Storage
  yt-remote-session-nameStores the user's video player preferences using embedded YouTube video
  Maximum Storage Duration: SessionType: HTML Local Storage
- edmundoptics.com.au
  10
  _gaexpThis cookie is used by Google Analytics to determine if the visitor is involved in their marketing experiments.
  Maximum Storage Duration: 14 daysType: HTTP Cookie
  _mkto_trkContains data on visitor behaviour and website interaction. This is used in context with the email marketing service Marketo.com, which allows the website to target visitors via email.
  Maximum Storage Duration: 14 daysType: HTTP Cookie
  ads/ga-audiencesUsed by Google AdWords to re-engage visitors that are likely to convert to customers based on the visitor's online behaviour across websites.
  Maximum Storage Duration: 14 daysType: HTTP Cookie
  gwccEnables Google Website Call Conversions - This registers if the visitor has clicked on call within the "contact us" sub-page. This information is used for statistics and marketing purposes.
  Maximum Storage Duration: 14 daysType: HTTP Cookie
  mTracking pixel used by South Korean Company, Naver Analytics to track website engagement
  Maximum Storage Duration: 14 daysType: HTTP Cookie
  NWBUsed by South Korean Company, Naver Analytics for web analytics that tracks and reports website traffic
  Maximum Storage Duration: 14 daysType: HTTP Cookie
  NWB_LEGACYUsed by South Korean Company, Naver Analytics for web analytics that tracks and reports website traffic
  Maximum Storage Duration: 14 daysType: HTTP Cookie
  pagead/1p-user-list/#Tracking pixel used by Google analytics to track website engagement
  Maximum Storage Duration: 14 daysType: HTTP Cookie
  trUsed by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers.
  Maximum Storage Duration: 14 daysType: HTTP Cookie
  wcs_btUsed by South Korean Company, Naver Analytics for cross site web analytics
  Maximum Storage Duration: 14 daysType: HTTP Cookie
Unclassified cookies are cookies that we are in the process of classifying, together with the providers of individual cookies.
- Google
  1
  Learn more about this provider
  Some of the data collected by this provider is for the purposes of personalization and measuring advertising effectiveness.
  _gcl_lsPending
  Maximum Storage Duration: PersistentType: HTML Local Storage
- Livechat
  1
  Learn more about this provider
  3b0f44ba-5eb5-4bb1-a9e1-2214776a186b:statePending
  Maximum Storage Duration: PersistentType: HTML Local Storage

Cookie declaration last updated on 3/18/25 by Cookiebot

[#IABV2_TITLE#]

[#IABV2_BODY_INTRO#]

[#IABV2_BODY_LEGITIMATE_INTEREST_INTRO#]

[#IABV2_BODY_PREFERENCE_INTRO#]

[#IABV2_BODY_PURPOSES_INTRO#]

[#IABV2_BODY_PURPOSES#]

[#IABV2_BODY_FEATURES_INTRO#]

[#IABV2_BODY_FEATURES#]

[#IABV2_BODY_PARTNERS_INTRO#]

[#IABV2_BODY_PARTNERS#]

About

Cookies are small text files that can be used by websites to make a user's experience more efficient.

The law states that we can store cookies on your device if they are strictly necessary for the operation of this site. For all other types of cookies we need your permission.

This site uses different types of cookies. Some cookies are placed by third party services that appear on our pages.

You can at any time change or withdraw your consent from the Cookie Declaration on our website.

Learn more about who we are, how you can contact us and how we process personal data in our Privacy Policy.

Please state your consent ID and date when you contact us regarding your consent.

Most web browsers allow you to view your cookies in the browser preferences, typically within the "Privacy" or "Security" tab. Some browsers allow you to delete specific cookies or even prevent cookies from being created. While disallowing cookies in your browser may provide a higher level of privacy, it is not recommended since many websites require cookies to function properly. Alternatively, you can visit www.aboutcookies.org which provides directions on how to block or delete cookies on all major browsers.

Do not sell or share my personal information

See all 26 Products in Family

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

6.25mm Dia x -10mm FL VIS-NIR Coated, Negative Achromatic Lens

Name: 6.25mm Dia x -10mm FL VIS-NIR Coated, Negative Achromatic Lens
Brand: TECHSPEC
SKU: 85-877
Price: A$128.80

Stock #85-877 3-5 days Other Coating Options

- +

A$128^.80

Qty 1-5
A$128.80

Qty 6+
A$110.40

Volume Pricing
Request Quote

+ Add to Saved List
Create an account or log in to access saved list

Compare

Product Downloads

STEP:stp

PDF Drawing:pdf

ISO 10110 Drawing

IGES:igs

Zemax:zar

Zemax:zmx

eDrawing:eprt

Code V:seq

EO Spec Sheet

Specifications
Product Details
Technical Information
Accessories
Coating Curves
Related Products
Imaging Lens Selector
Frequently Purchased Together
Compatible Mounts
Resources

Specifications

General

Type:

Negative Achromatic Lens

Physical & Mechanical Properties

Diameter (mm):

6.25 +0.0/-0.025

Clear Aperture CA (mm):

5.6

Centering (arcmin):

Center Thickness CT (mm):

3.50 ±0.10

Center Thickness CT 1 (mm):

1.00 ±0.05

Center Thickness CT 2 (mm):

2.5 ±0.05

Edge Thickness ET (mm):

4.2

Bevel:

Protective bevel as needed

Optical Properties

Effective Focal Length EFL (mm):

-10.00

Focal Length Tolerance (%):

±1

Back Focal Length BFL (mm):

-11.92

Focal Length Specification Wavelength (nm):

587.6

Radius R₁ (mm):

6.54

Radius R₂ (mm):

5.10

Radius R₃ (mm):

89.10

N-BAF10 / N-SF10

Surface Quality:

40-20

f/#:

1.6

Numerical Aperture NA:

0.31

Coating:

VIS-NIR (400-1000nm)

Coating Specification:

R_avg ≤1.25% @ 400 - 870nm
R_avg ≤1.25% @ 890 - 100nm
R_abs ≤0.25% @ 880nm

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Wavelength Range (nm):

400 - 1000

Regulatory Compliance

RoHS 2015:

Compliant

Reach 219:

Compliant

Certificate of Conformance:

View

Product Details

VIS 0° and VIS-NIR Coatings
6.25 – 25mm Diameter Options
MgF₂ Coated Negative Achromatic Lenses also Available

TECHSPEC® Broadband AR Coated Negative Achromatic Lenses are corrected for color and on-axis aberrations. These lenses, consisting of two optical elements cemented together, are commonly used as Barlow lenses to extend focal lengths. The achromatic lenses are available in various diameter sizes and VIS 0° or VIS-NIR coating options. TECHSPEC® Broadband AR Coated Negative Achromatic Lenses are offered in 6.25 - 25mm diameter options. MgF2 Coated Negative Achromatic Lenses are also available.

Technical Information

Accessories

Coating Curves

VIS-NIR (400-1000nm)

Only 2 different Y Axises can be displayed at one time.

Please note that coating performance outside each product’s specified design range is theoretical and may vary.

Related Products

#13-800 - Small Lens Clamp for 4-8mm Dia. Optics

A$257.60

Imaging Lens Selector

Frequently Purchased Together

#32-442 - 38 x 150mm, 4-6λ Mirror

A$46.00

#33-202 - 6.25mm Dia. x 12.5mm FL, YAG-BBAR Coated, Achromatic Lens

A$112.80

#43-465 - 25mm Dia. x 25mm FL Protected Aluminum, Concave Mirror

A$79.20

#43-467 - 35mm Dia. x 15mm FL Protected Aluminum, Concave Mirror

A$84.00

Compatible Mounts

	Title	Type	Compare	Stock Number	Price	Buy
	6.25mm Diameter, S-Mount Thick Optic Mount	Fixed		#63-949	A$59.20 Request Quote	3-5 days ×
	6.25mm Diameter, C-Mount Thick Optic Mount	Fixed		#54-621	A$86.40 Request Quote	3-5 days ×

Check out our full selection of mounts here.

Resources

Filter

Anti-Reflection (AR) Coatings

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

View Now

An Introduction to Optical Coatings

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

View Now

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.

View Now

Achrotech: achromat cost versus performance for conventional, diffractive, and GRIN components

View Now

Why Use an Achromatic Lens?

Want to know why you should use an achromatic lens? Find out more about achromatic lenses including the anatomy, notable features, and more at Edmund Optics

View Now

Achromatic Lenses Review

Learn about EO's most popular family of optical lenses and discover if achromatic lenses are ideal for your next application.

View Now

How is the location of the principal plane of a negative achromatic lens calculated?

View Now

Abbe-Number

View Now

Achromatic Lens

View Now

Crown Glass

View Now

Doubler Tube

View Now

Doublet Lens

View Now

Flint Glass

View Now

Dispersion

Dispersion is the dependence of the phase velocity or phase delay of light on another parameter, such as wavelength, propagation mode, or polarization.

View Now

Aspherized Achromatic Lens Review

Aspherized Achromatic Lenses, exclusive to Edmund Optics, are doublet lenses consisting of two cemented optical elements that are matched for their color-correction ability and small RMS spot size.

View Now

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

View Now

Apochromatic

View Now

Back Focal Length (BFL)

View Now

Dispersion

View Now

Hybrid Molding

View Now

Sag

View Now

Aspherized Achromatic Lenses

Want an inside look at Aspherized Achromatic Lenses? Learn about the advantages, composition, and aspherized process at Edmund Optics.

View Now

Why Choose an Achromatic Cylinder Lens?

Debating whether or not to use a traditional cylinder lens or an achromatic cylinder lens? Discover the benefits of achromatic cylinder lenses at Edmund Optics.

View Now

Aberrations

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

View Now

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

View Now

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

View Now

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

View Now

Center Thickness (CT)

View Now

Chromatic Focal Shift

View Now

Conjugate Distance

View Now

Épaisseur de bord

View Now

Distance focale effective (EFL)

View Now

Finite/Finite Conjugate

View Now

How to Determine Magnification of an Optical Lens Setup

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

View Now

Understanding Collimation to Determine Optical Lens Focal Length

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

View Now

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.

View Now

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.

View Now

Irregularity

View Now

Radius of Curvature

View Now

BBAR Coating

View Now

Diopter

View Now

Anti-Reflection (AR) Coating

View Now

Bevel

View Now

Seamed Edge

View Now

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.

View Now

Transmission

View Now

How do I clean my optics?

View Now

Clear Aperture (CA)

View Now

Refraction

View Now

Edmund Optics Global Manufacturing Facilities

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

View Now

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.

View Now

Surface Quality

View Now

The Benefits of Color-Corrected Optical Lenses

Color-corrected optical lenses are ideal for many applications because they reduce multiple aberrations. Learn more about the advantages at Edmund Optics.

View Now