4.5mm, f/2.8 Ci Series Fixed Focal Length Lens

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

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

This demonstration exemplifies why wavelength and f/# can drastically affect the performance of imaging systems and should not be overlooked.

Working distance and focal length are two of the most fundamental parameters of any imaging system. Learn more in this hands-on video demo.

Learn how to understand focal length and field of view for imaging lenses through calculations, working distance, and examples at Edmund Optics.

Are you trying to measure the performance of your lens? Although this can be a difficult task, there are curves that can help. Read more at Edmund Optics.

Want to know more about the Modular Transfer Function? Learn about the components, understanding, importance, and characterization of MTF at Edmund Optics.

The expansion of automation has made the ruggedization of imaging lenses from shocks, vibrations, and temperature swings more important than ever before.

A new generation of harsh environment lenses has been developed to support the spread of automation and protect their imaging systems.

Not all ruggedized imaging lenses feature the same type of ruggedization. Learn about the advantages and disadvantages of each type at Edmund Optics.

Have an application in a demanding environment? Learn about the different types of ruggedization: industrial, ingress protection, and stability at Edmund Optics.

Edmund Optics® manufactures several different types of ruggedized imaging lens assemblies.

Edmund Optics imaging and machine vision lenses are robustly designed for use in harsh environments and are available in a number of options for the most demanding applications.

Happy holidays from Edmund Optics! Learn about the top trends in the photonics industry covered in our Trending in Optics Series in 2022.

Trying to understand optical aberrations? Check out how to identify aberrations and view examples at Edmund Optics.

Do you have multiple projects that involve the use of a lens? Find out about different lenses that can be adapted for multiple purposes at Edmund Optics.

Fixed focal length, zoom, and macro lenses are all variable magnification lenses. Learn more at Edmund Optics.

Want to learn how to extend a lens beyond its limits in an application? Learn more about spacers, shims, and focal length extenders at Edmund Optics.

Explore the differences in the performance of imaging lenses by directly comparing the associated modulation transfer function (MTF) curves.

Become familiarized with the key components of an imaging lens assembly and how they function.

MTF curves allow you to compare the performance of multiple lenses at the same time. To find out how MTF curves are beneficial, read more at Edmund Optics.

To decide what imaging lens is right for a system, it is important to know the parameters of the imaging system used. Learn more at Edmund Optics.

Fixed magnification lenses typically function properly at a single working distance and are specified by their magnification. Learn more at Edmund Optics.

The modulation transfer function of a lens varies depending on working distance, sensor size, f/#, and wavelength. Learn more at Edmund Optics.

Learn how to specify imaging system components.

Join Greg Hollows, Director of the Imaging Business Unit and EO's Imaging Expert, as he reviews some Best Practice to consider when designing an imaging system.

Join Greg Hollows, Director of the Imaging Business Unit and EO's Imaging Expert, as he reviews some Best Practice to consider when designing an imaging system.

Join Greg Hollows, Director of the Imaging Business Unit and EO's Imaging Expert, as he reviews some Best Practice to consider when designing an imaging system.

Join Greg Hollows, Director of the Imaging Business Unit and EO's Imaging Expert, as he reviews some best practices to consider when designing an imaging system.

Join Greg Hollows, Director of the Imaging Business Unit and EO's Imaging Expert, as he reviews some best practices to consider when designing an imaging system.

Join Greg Hollows, Director of the Imaging Business Unit and EO's Imaging Expert, as he reviews some best practices to consider when designing an imaging system.

Join Greg Hollows, Director of the Imaging Business Unit and EO’s Imaging Expert, as he reviews some best practices to consider when designing an imaging system.

Nick Sischka explains distortion in this hands-on demonstration from the Edmund Optics 2021 Imaging Innovation Summit.

M12 or S-Mount lenses are a type of compact imaging lens used in space-constrained applications.

Fixed focal length lenses are entocentric imaging lenses used in machine vision.

Edmund Optics designs and manufacturers many types of imaging lenses.

Imaging lenses feature a wide variety of lens mounts, all of which offer different benefits.

Imaging lenses and sensors must be paired together with special attention.

Want to understand the basic concepts of imaging? Learn more about essential terms and how they incorporate in the imaging industry at Edmund Optics.

Is the definition on your image not clear? Go back to the basics and learn more about the contrast of an image and its importance at Edmund Optics.

Are you getting depth of field and depth of focus confused? Discover the differences and how to distinguish the two from one another at Edmund Optics.

There are numerous mount types for connecting an imaging lens to a camera. Depending on the application, some mounts are more useful than others.

Distortion is an individual aberration that misplaces information but can be calculated or mapped out of an image. Learn more about distortion at Edmund Optics.

When it comes to your lens, the f/# is one of the most important settings because it controls multiple parameters. Find out what the f/# controls at Edmund Optics.

While working with machine vision, there are different types of filters that can be used to alter the image. Find out about the different types at Edmund Optics.

Trying to understand how much information you can obtain from a lens and sensor? Learn more about the limitations of collecting data at Edmund Optics.

Are you new to imaging and want to learn more about lens magnification? Learn more about lens magnification and other key imaging concepts at Edmund Optics.

In order to understand vignetting, it is important to understand sensor sizes, formats, and roll-off and relative illumination. Find out more at Edmund Optics.

Wavelengths can be both valuable or hazardous when trying to obtain information from an imaging system. Learn more about fixing wavelength issues at Edmund Optics.

TECHSPEC® Liquid Lens M12 Imaging Lenses from Edmund Optics combine a high-resolution with the electronic auto-focus of an integrated liquid lens

TECHSPEC® Liquid Lens Cx Series Fixed Focal Length Lenses from Edmund Optics offer both high resolution and fast electronic focus.

Short wave infrared (SWIR) imaging applications require specialized imaging optics, as lenses designed for visible use are not optimized for SWIR wavelengths

Imaging lens assemblies are vital components for a wide range of cutting edge applications including machine vision, biomedical instruments, factory automation, and robotics.

Master the mindset needed for building an imaging system from asking the right questions to properly combining imaging technologies.

Learn how to specify imaging system components.

Join EO's Nick Sischka, Director of Imaging, as he inspects pipes for various defects using the TECHSPEC Telecentric Lens versus the TECHSPEC Hypercentric Lens.

Join Nick Sischka, Vision Solutions Specialist and member of EO's Imaging Team, as he reviews some best practices to consider when designing an imaging system

Join our discussion about increasing imaging sensor sizes and what that means for optical designers in the second episode of our LIGHT TALKS series.

Nick Sischka explains why color consideration and illumination are so important for machine vision in this hands-on demonstration from the Edmund Optics 2021 Imaging Innovation Summit.

Do you use imaging systems constantly in your professional field? Learn top tips for improving your imaging system and practices at Edmund Optics.

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

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.

In imaging, light rays are mapped from an object onto an imaging sensor by an imaging lens, to reproduce the characteristics and likeness of the object for the purposes of inspection, sorting, or analysis.

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

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.

No imaging lens is the ideal choice for every type of imaging sensor, as multiple tradeoffs must be weighed and prioritized for every application.

Chromatic aberrations impact the performance of imaging systems in many different ways, as exemplified in this hands-on demonstration.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Join Nick Sischka, Vision Solutions Specialist and member of EO's Imaging Team, as he reviews some best practices to consider when designing an imaging system.

Join Nick Sischka, Director of Imaging, as he reviews some best practices to consider when designing an imaging system.

Join our discussion around machine vision trends including such as increasing resolution and new sensors in the first episode of our LIGHT TALKS series.

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

Learn how Edmund Optics maintains optical performance across the entire image plane through this resolution and contrast comparison using our C Series FFL lens.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Do you want to understand how a lens works? To do so, you must learn key terms for how the lens functions, including resolution. Find out more at Edmund Optics.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

Learn how to specify imaging system components.

The Future Depends on Optics®

The success of your machine vision application depends on the quality of your optical components.

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

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