Name: 12mm, f/4 Ci Series Fixed Focal Length Lens
Brand: TECHSPEC
SKU: 86-609
Price: A$221.00

Specifications

General

Type:

Fixed Focal Length Lens

Physical & Mechanical Properties

Iris Option:

Fixed

Length (mm):

29.00

Maximum Diameter (mm):

26.5

Weight (g):

Maximum Rear Protrusion (mm):

0.31

Diameter (mm):

26.50

Optical Properties

Horizontal Field of View, 1/2" Sensor:

58.3mm - 30.4°

Horizontal Field of View, 2/3" Sensor:

80.9mm - 41.2°

Horizontal Field of View, 1/3" Sensor:

43.5mm - 22.9°

Maximum Image Circle (mm):

11.00

Numerical Aperture NA, Object Side:

0.0132

Horizontal Field of View @ Max Sensor Format:

80.9mm - 41.2°

Number of Elements (Groups):

7 (7)

Horizontal Field of View, 1/1.8" Sensor:

65.8mm - 34.0°

Horizontal Field of View, 1/2.5" Sensor:

52.8mm - 27.6°

Focal Length FL (mm):

12.00

Primary Magnification PMAG:

0.111

Working Distance (mm):

100 - ∞

Aperture (f/#):

f/4

Coating:

425 - 675nm BBAR

Coating Specification:

425 - 675nm BBAR

Entrance Pupil Position (mm):

11.01

Horizontal Field of View, 1/4" Sensor:

32.6mm - 17.2°

Object Space Principal Plane (mm):

17.32

Image Space Principal Plane (mm):

1.98

Field of View at Max Sensor Format:

Horizontal: 81.3mm - 41.2°
Vertical: 60.5mm - 31.3°
Diagonal: 102.2mm - 50.5°

Maximum Distortion (%):

-2.09

Exit Pupil Position (mm):

-11.38

Lens Wavelength Range:

VIS

Sensor

Maximum Sensor Format:

2/3"

Threading & Mounting

Filter Thread:

M25.5 x 0.50 (Male)

Filter Thread Adapter:

#89-941 (Required)

Front Thread:

M22.0 x 0.75 (Male)

Mount:

C-Mount

Environmental & Durability Factors

Storage Temperature (°C):

-20 to +60 For questions regarding operating temperature please contact our support team

Regulatory Compliance

RoHS 2015:

Compliant

REACH 201:

Compliant

Certificate of Conformance:

View

Product Details

These compact lenses are designed specifically for volume integration into applications such as analytical medical devices, including benchtop-based blood analyzers. For customized f/# versions to best suit your instrumentation application needs and to discuss volume requirements, please contact us.

Up to 2/3", C-Mount Lens
Up to 7.5 MegaPixels, 2.8µm Pixel Size Sensors
Instrumentation (Ci) Versions of our C Series Lenses with Streamlined Mechanical Designs and Fixed Apertures
3.5mm to 50mm Focal Length
Ruggedized (Cr) Designs Also Available

TECHSPEC® Ci Series Fixed Focal Length Lenses are a streamlined version of our C Series Fixed Focal Length Lenses. They feature the same low lens-to-lens variation and broadband anti-reflection (BBAR) coating for maximum light transmission, while offering reduced weight and size. An adjustable, lockable focus allows for setting and locking the best focus position for instrumentation integration. TECHSPEC® Ci Series Fixed Focal Length Lenses are designed specifically for volume integration into applications such as factory inspection and automation to benchtop biomedical devices. The Ci Series offers a wide range of aperture options, ensuring maximum flexibility of resolution, throughput, and depth of field.

Edmund Optics has created a family of high performance optical designs (the C Series family) and developed 6 customized optomechanical solutions targeted for specific applications. These lens sub-families utilize the same optics as the C Series lenses providing the same optical performance in a variety of optomechanical solutions to meet your application requirements:

C Series: Features locking cam focus and iris adjustment and is the most adjustable version of these optical designs; they are the typical high quality machine vision lenses. Also available with a VIS-NIR Broadband Anti-Reflection (BBAR) Coating.
Ci Series: Simplified mechanics featuring fixed apertures with compact housing. Industrial Ruggedization for reduced size, cost, and locked focus.
Cr Series: All optics glued in place and a locking C-clamp focus ring. Stabilized Ruggedization for reduced pixel shift and improved focus stability.
Cx Series: Modular, flexible mechanics allows lenses to be taken apart for easy integration of accessories such as liquid lenses, apertures, and more.
Liquid Lens Cx Series: Designed with an integrated liquid lens for quick autofocus.
Cw Series: Waterproof, designed to meet IEC Ingress Protection Code IPX7 and IPX9K.

Technical Information

#86-609, 12mm, f/4 Ci Series Fixed Focal Length Lens, Distortion Plot

#86-609, 12mm, f/4 Ci Series Fixed Focal Length Lens, Relative Illumination Plot

#86-609, 12mm, f/4 Ci Series Fixed Focal Length Lens, Working Distance versus Field of View Plot

#86-609, 12mm, f/4 Ci Series Fixed Focal Length Lens, Modulated Transfer Function (MTF) Plot, 300mm Working Distance, f4

#86-609, 12mm, f/4 Ci Series Fixed Focal Length Lens, Depth of Field Plot, 300mm Working Distance, f4

#86-609, 12mm, f/4 Ci Series Fixed Focal Length Lens, Modulated Transfer Function (MTF) Plot, 750mm Working Distance, f4

#86-609, 12mm, f/4 Ci Series Fixed Focal Length Lens, Depth of Field Plot, 750mm Working Distance, f4

Dimensions
Focal Length	A	B	C	D
6mm	M34.0 x 0.5	47.8mm	34mm	1.17mm
12mm	M22.0 x 0.75	29.0mm	22mm	0.96mm
16mm	M22.0 x 0.75	40.8mm	22mm	1.09mm
25mm	M22.0 x 0.75	29.9mm	22mm	1.33mm
35mm	M25.5 x 0.5	41mm	22.5mm	3.82mm
50mm	M30.5 x 0.5	49.5mm	30.5mm	2.06mm

Accessories

Note: Compatible accessories for individual stock numbers may vary. If unsure about which accessories work with your products, please contact us here.

Title	Stock Number	Price	Buy

Filter Adapter M25.5 x 0.50 from M22 x 0.75 (Female)	#89-941	44.00 A$44.00 Request Quote	Contact Us ×
C-Mount to NF-Mount Adapter	#89-945	44.00 A$44.00 Request Quote	3-5 days ×
Locking Retainer Nut for Ci Series Lenses	#89-944	44.00 A$44.00 Request Quote	3-5 days ×

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#89-764 - Blue M25.5 x 0.50 High Performance Machine Vision Filter

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#89-794 - VIS (UV/IR Cut) M25.5 x 0.50 High Performance Machine Vision Filter

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Lens Mounts

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

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Distortion

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.

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System Throughput, f/#, and Numerical Aperture

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.

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Machine Vision Filter Technology

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.

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From Lens to Sensor: Limitations on Collecting Information

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.

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Object Space Resolution

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.

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Relative Illumination, Roll-Off, and Vignetting

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.

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Wavelength Effects on Performance

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.

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Imaging Innovation Summit Keynote

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

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Edmund Optics Imaging Lab Module 1: Imaging Overview

Learn how to specify imaging system components.

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Edmund Optics Imaging: Telecentric Lenses versus Hypercentric Lenses

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.

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Best Practice #4 Light Up Your Life

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

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LIGHT TALK - EPISODE 2: Increasing Imaging Sensor Sizes with Katie Schwertz

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

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Manipulating Wavebands: Color & Filters

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.

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Liquid Lens M12 Imaging Lenses

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

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Liquid Lens Cx Series Fixed Focal Length Lenses

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

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Why Should I Use a Lens Designed Specifically for SWIR Wavelengths?

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

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How an Edmund Optics Imaging Lens is Made

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

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Lens Selection Guide, Part 2

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The makings of a successful imaging lens, Part Three: Testing and metrology, ensuring you get what you asked for

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The makings of a successful imaging lens, Part Two: Performance-based specifications and their design considerations

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The makings of a successful imaging lens, Part One: Application and specification development

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Vision & Sensors Lens Selection Guide, Part 1

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Which type of colored filter is best for my imaging application?

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What is the difference between Primary Magnification and System Magnification?

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I need a video lens for my camera - but where do I start?

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What is the difference between depth of field and depth of focus?

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Back Flange Distance

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Depth of Field (DOF)

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Depth of Focus

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Distortion

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Distortion, Non-Monotonic

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Field Curvature

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Focal Length Extender

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Horizontal Resolution

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Hyperfocal Distance

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Primary Magnification (PMAG)

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Relative Illumination (RI)

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S-Mount

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Sliding Focusing Mechanism

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T-Mount

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Best Practices for Better Imaging

Do you use imaging systems constantly in your professional field? Learn top tips for improving your imaging system and practices 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 Imaging?

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.

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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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Resolution and MTF Testing

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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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Lens Types, Resolution, and Sensor Coverage

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

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Axial and Lateral Chromatic Aberration

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

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Edmund Optics Imaging Lab 1.1: Field of View

Learn how to specify imaging system components.

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Edmund Optics Imaging Lab 1.2: Working Distance

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Edmund Optics Imaging Lab 1.5: Sensor Size

Learn how to specify imaging system components.

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Edmund Optics Imaging Lab 3.2: The W of Illumination Geometry

Learn how to specify imaging system components.

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Edmund Optics Imaging Lab 3.3: Directional Illumination

Learn how to specify imaging system components.

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Edmund Optics Imaging Lab 3.4: Directional Illumination of Ring Lights

Learn how to specify imaging system components.

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Edmund Optics Imaging Lab 3.5: Backlights

Learn how to specify imaging system components.

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Edmund Optics Imaging Lab 3.6: Dome Lights

Learn how to specify imaging system components.

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Edmund Optics Imaging Lab 3.7: Line Lights

Learn how to specify imaging system components.

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Best Practice #5 Color Matters

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.

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Best Practice #6 There Can Be Only One

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

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LIGHT TALK - EPISODE 1: Machine Vision Trends with Nick Sischka

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

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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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Next generation image sensors: Are suppliers ready to meet growing customer expectations?

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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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Contrast

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Spatial Frequency

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Resolution and Contrast Comparison

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

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Edmund Optics Imaging Lab 1.4: Depth of Field

Learn how to specify imaging system components.

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Edmund Optics Imaging Lab 1.7: Contrast In Depth

Learn how to specify imaging system components.

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Diffraction Limit

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Modulation Transfer Function (MTF)

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Nyquist Limit

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Parfocality

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Resolution

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Resolving Power

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Resolution

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.

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