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Fixed Focal Length Lenses

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C Series Fixed Focal Length SWIR Lenses C Series Fixed Focal Length SWIR Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
New
  • Up to 2/3", C-Mount Lens
  • Up to 7.5 MegaPixels, 2.8µm Pixel Size Sensors
  • Compact (C) SWIR Lens for 900-1700nm Wavelength Range
  • 6mm to 50mm Focal Length
C Series Fixed Focal Length Lenses C Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
  • Up to 2/3", C-Mount Lens
  • Up to 7.5 MegaPixels, 2.8µm Pixel Size Sensors
  • Compact (C), FA Lens for Machine Vision
  • 3.5mm to 100mm Focal Length
UC Series Fixed Focal Length Lenses UC Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
  • Up to 1/1.8", C-Mount Lens
  • Up to 12 MegaPixels, 1.85µm Pixel Size Sensors
  • Ultra-Compact (UC), High Resolution Lens for Small Sensors
  • 4mm to 35mm Focal Length
HP+ Series Fixed Focal Length Lenses HP+ Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
New
  • 1.2”, C-Mount Lenses
  • Up to 24.5 MegaPixels, 2.74µm Pixel Size Sensors
  • 16mm to 35mm Focal Length
Edmund Optics E Series Fixed Focal Length Lenses Edmund Optics E Series Fixed Focal Length Lenses New
  • Cost Effective Solution for Systems that Require Large Depth of Field
  • Up to ⅔", C-Mount Lens
  • Ideal for Logistics and Barcode Scanning Applications
TECHSPEC® UAV Series Fixed Focal Length Lenses UAV Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
New
  • Compact, Infinite Conjugate Lens Ideal for Photogrammetry
  • 16mm, 25mm, and 35mm Focal Lengths
  • 1.2", C-Mount Lens
  • Up to 24.4 MegaPixels, 2.7µm Pixel Size Sensors
TECHSPEC® HP Series Fixed Focal Length Lenses HP Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
  • 1.1", C-Mount Lens
  • Up to 20 MegaPixels, 1.85µm Pixel Size Sensors
  • High Performance (HP), C-Mount Lens for Machine Vision
  • 8mm to 50mm Focal Length
HR Series Fixed Focal Length Lenses HR Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
New
  • 2/3", C-Mount Lens
  • Up to 10 MegaPixels, 1.85µm Pixel Size Sensors
  • High Resolution (HR), FA Lens for Machine Vision
  • 8.5mm to 35mm Focal Length
LT Series Fixed Focal Length Lenses LT Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • 1.1" Sensor, C-Mount Lens, up to 12 MegaPixels, 3.45µm Pixel Size Sensor
  • Integrated Liquid Lens Allows for Dynamic Autofocus
  • Liquid Tunable (LT) Lens Maximizes the Liquid Lens Capabilities for Resolution, Range and Focus Speed
  • 12 to 25mm Focal Length
Cw Series Fixed Focal Length Lenses Cw Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Up to 2/3", C-Mount Lens
  • Waterproof (Cw) Versions of C Series Fixed Focal Length Lenses
  • Meets IEC Ingress Protection Ratings of IPX7 and IPX9K
  • Designed to Eliminate the Need for a Protective Lens Cover
LH Series Fixed Focal Length Lenses LH Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Compatible with APS-H (35.5mm) and 35mm Full Frame Sensors
  • 120 MegaPixels, 2.2µm Pixel Size Sensors
  • Large format Lenses for APS-H Sensors (LH)
  • Ultra-High Resolution Large Format Lenses
Athermal Imaging Lenses Athermal Imaging Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
C Series: All lenses pictured may not be included in the kit. See "Contents of Kit" specification for included lenses. Imaging Lens Kits
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Easy to Order Kits of Our Best Selling Fixed Focal Length Imaging Lenses
  • Full Product Line or Select Focal Lengths Kit Versions Available
  • TECHSPEC C, UC, and HP Imaging Lenses are Also Sold Individually
TECHSPEC® Ci Series Fixed Focal Length Lenses Ci Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • 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® Cx Series Fixed Focal Length Lenses Cx Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Up to 2/3", C-Mount Lens
  • Up to 7.5 MegaPixels, 2.8µm Pixel Size Sensors
  • Flexible (Cx) Version of our C Series Lenses with Interchangeable Apertures, Filters and Liquid Lens
  • 12mm to 50mm Focal Length
HPr Series Fixed Focal Length Lenses HPr Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • 1.1", C-Mount Lens
  • Up to 20 MegaPixels, 1.85µm Pixel Size Sensors
  • Ruggedized (HPr) Designs (50g Shock) of our HP Series Lens with Individual Optics Glued in Place
  • 16mm to 50mm Focal Length
  • Instrumentation (HPi) Versions Also Available
HPi Series Fixed Focal Length Lenses HPi Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • 1.1", C-Mount Lens
  • Up to 20 MegaPixels, 1.85µm Pixel Size Sensors
  • Instrumentation (HPi) versions of our HP Series Lenses with Streamlined Mechanical Designs and Fixed Apertures
  • 16mm to 50mm Focal Length
  • Ruggedized (HPr) Designs Also Available
HRr Series Fixed Focal Length Lenses HRr Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
New
  • 2/3", C-Mount Lens
  • Up to 9 MegaPixels, 1.85µm Pixel Size Sensors
  • Ruggedized (HRr) Designs (50g Shock) of our HR Series Lens with Individual Optics Glued in Place
  • 8.5mm to 12mm Focal Length
  • Instrumentation (HRi) Versions Also Available
HRi Series Fixed Focal Length Lenses HRi Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
New
  • 2/3", C-Mount Lens
  • Up to 9 MegaPixels, 1.85µm Pixel Size Sensors
  • Instrumentation (HRi) Versions of our HR Series Lenses with Streamlined Mechanical Designs and Fixed Apertures
  • 8.5mm to 12mm Focal Length
  • Ruggedized (HRr) Designs Also Available
LS Series Line Scan Fixed Focal Length Lenses LS Series Line Scan Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • 82mm Line Scan (LS), V-70 Mount
  • Up to 16k, 5µm Pixel Size Line Scan Sensors
  • High Resolution, Low Distortion, Uniform Field Performance
  • 1.65X to 2.65X Primary Magnification
CA Series Fixed Focal Length Lenses CA Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • APS-C (27.9mm), TFL-Mount Lens
  • Greater than 30 MegaPixels, 3.45µm Pixel Size Sensors
  • High Resolution, Compact APS-C Lens (CA)
  • 35mm to 100mm Focal Length
Liquid Lens Cx Series Fixed Focal Length Lenses Liquid Lens Cx Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
New
  • Up to 2/3", C-Mount Lens
  • Up to 7.5 MegaPixels, 2.8µm Pixel Size Sensors
  • Liquid Lens Provides Dynamic Autofocus
  • 12mm to 50mm Focal Length
Cr Series Fixed Focal Length Lenses Cr Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Up to 2/3", C-Mount Lens
  • Up to 7.5 MegaPixels, 2.8µm Pixel Size Sensors
  • Ruggedized (Cr) Designs (50g Shock) of our C Series Lens
  • 3.5mm to 50mm Focal Length
  • Instrumentation (Ci) Versions Also Available
TECHSPEC® UCi Series Fixed Focal Length Lenses UCi Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
New
  • Up to 1/1.8", C-Mount, S-Mount Lens
  • Up to 12 MegaPixels, 1.85µm Pixel Size Sensors
  • Instrumentation (UCi) versions of our UC Series Lenses with Streamlined Mechanical Designs and Fixed Apertures
  • 4mm to 35mm Focal Length
DG Series Fixed Focal Length Lenses DG Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
  • Up to 4/3", C-Mount Lens
  • Up to 9 MegaPixels, 2.8µm Pixel Size Sensors
  • Double Gauss (DG) Lens with low distortion and high performance
  • 18mm to 75mm Focal Length
LF Series Fixed Focal Length Lenses LF Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
  • Full Frame (35mm), F-Mount Lens
  • 29 MegaPixels, 5µm Pixel Size Sensors
  • F-Mount Large Format (LF) Lens for Factory Automation
  • 28mm to 100mm Focal Length
C Series Fixed Focal Length VIS-NIR Lenses C Series Fixed Focal Length VIS-NIR Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
  • Up to 2/3", C-Mount Lens
  • Up to 7.5 MegaPixels, 2.8µm Pixel Size Sensors
  • Compact (C) Broadband Lens for 425-1000nm Wavelength Range
  • 3.5mm to 50mm Focal Length
SWIR Series Fixed Focal Length Lenses SWIR Series Fixed Focal Length Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
  • 4/3", C-Mount, M42, F-Mount Lens
  • Up to 3 MegaPixels, 10µm Pixel Size Sensors
  • Designed and Optimized for SWIR (900-1700nm) InGaAs Sensors
  • 25mm to 100mm Focal Length
Compact Fixed Focal Length Lenses for 1.1” Sensors	Compact Fixed Focal Length Lenses for 1.1” Sensors
  • 1.1" Sensor, C-mount Lens
  • Compact Size and Lightweight
  • 8mm to 50mm Focal Length
Wide Angle Large Format F-Mount Lenses	Wide Angle Large Format F-Mount Lenses
  • Up to 43.3mm Diagonal (35mm Full Frame) Large Format Sensor
  • Wide Angles and Large Fields of View
  • Lockable Manual Focus and Iris
  • 8mm to 24mm Focal Length
Computar Motorized LensConnect Fixed Focal Length Lenses	Computar Motorized LensConnect Fixed Focal Length Lenses
  • Focus and Iris Controlled via Simple USB Interface
  • 12 MegaPixels, 1/1.1”, C-Mount
  • Focal Lengths Ranging from 8mm – 50mm
  • Variable Focal Length Option Available
1" Format Fixed Focal Length Lenses 1" Format Fixed Focal Length Lenses
Top Seller
  • Up to 1", C-Mount Lens
  • "Fast" Lenses for Increased Throughput
  • 6mm to 75mm Focal Length
4/3" Format Fixed Focal Length Lenses 4/3" Format Fixed Focal Length Lenses
  • Up to 1", C-Mount Lens
  • Less than 1.0% TV Distortion
  • 12mm to 50mm Focal Length
46mm Large Format F-Mount Lenses 46mm Large Format F-Mount Lenses
  • Full Frame, 35mm (Covers 46mm Image Circle), F-Mount Lens
  • Optimized for Short Working Distances for Machine Vision Applications
  • 28mm to 50mm Focal Length
55mm FL Partially-Telecentric Imaging Lens 55mm FL Partially-Telecentric Imaging Lens
  • 2/3", C-Mount Lens
  • Up to 1.3 MegaPixels, 7µm Pixel Size Sensors
  • Function as Both Macro and Telecentric Lens
  • ±12.5mm of Object Movement Before 1% Error Image Scale Occurs
Fisheye Imaging Lenses Fisheye Imaging Lenses
Top Seller
  • 2/3", C-Mount Lens
  • Wide Field of View (185°) for Fisheye Images
  • Lockable Iris Control and Fixed Focus
  • 1.8mm Focal Length
Fixed Focal Length Lenses Fixed Focal Length Lenses
Top Seller
  • Up to 2/3", C-Mount Lens
  • Compact Size and Great Price to Performance Ratio
  • 3.5mm to 75mm Focal Length
Low Distortion Wide Angle Lenses Low Distortion Wide Angle Lenses
  • Up to 1/2.5", C-Mount and CS-Mount options
  • Up to 3 MegaPixel and Down to 1% Distortion
  • No Refocusing from 100mm to Infinity
  • 1.28mm to 3mm Focal Length
MegaPixel Fixed Focal Length Lenses MegaPixel Fixed Focal Length Lenses
  • Up to 2/3", C-Mount Lens
  • Ideal for Machine Vision at an Economical Price
  • 5mm to 75mm Focal Length
Rodagon Large Format Lenses Rodagon Large Format Lenses
  • Up to 174mm Image Circle for Line Scan or Area Scan
  • C-Mount, F-Mount, T-Mount Lens
  • Up to 1.3 MegaPixels or 8k Line Scan, 7µm Pixel Size Sensors
  • 35mm to 135mm Focal Length
Schneider Compact VIS-NIR Lenses Schneider Compact VIS-NIR Lenses
  • Up to 4/3", C-Mount Lens
  • Spectral Range of 400-1000nm with Color Corrected Options
  • 4.8mm to 50mm Focal Length
Schneider Fast C-Mount Lenses Schneider Fast C-Mount Lenses
Top Seller
  • 1", C-Mount Lens
  • High Aperture (f/0.95) is Ideal for Low Light
  • 25mm Focal Length
Schneider Large Format F-Mount VIS-NIR Lenses Schneider Large Format F-Mount VIS-NIR Lenses
  • Full Frame, 35mm (Covers 46mm Image Circle), F-Mount Lens
  • Color Corrected for Spectral Range of 400 – 1000nm
  • 28mm to 100mm Focal Length
Schneider Macro Imaging Lenses Schneider Macro Imaging Lenses
  • Up to 108mm Image Circle for Line Scan or Area Scan Sensors
  • C-Mount, F-Mount, T2-Mount, Pentax-Mount, or V-Mount
  • Rugged Designs for Short Working Distances and Macro Imaging
  • 28mm to 120mm Focal Length
1" SWIR Series Fixed Focal Length Lenses 1" SWIR Series Fixed Focal Length Lenses
  • 1", C-Mount Lens
  • Spectral Range of 800 - 2000nm for InGaAs SWIR Sensors
  • 8mm to 50mm Focal Lengths
Ultra High Resolution Fixed Focal Length Lenses Ultra High Resolution Fixed Focal Length Lenses
Top Seller
  • 2/3", C-Mount Lens
  • Up to 10 MegaPixels, 2.4µm Pixel Size Sensors
  • Spectral Range of 400 - 1000nm
  • 8mm to 50mm Focal Lengths
UV Fixed Focal Length Lenses UV Fixed Focal Length Lenses
  • 1", C-Mount Lens
  • Spectral Range of 230 - 1200nm
  • 25mm to 78mm Focal Lengths
Green Series M12 Lenses Green Series M12 Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Up to 1/2", S-Mount Lens
  • Up to 0.4 MegaPixels, 8.3µm Pixel Size Sensors
  • Board Camera Lens Optimized for Close WD and Finite Conjugate
  • 6mm to 25mm Focal Lengths
HEO Series M12 Lenses HEO Series M12 Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Up to ½", S-Mount Lens
  • Up to 1.2 MegaPixels, 5µm Pixel Size Sensors
  • Meets IEC Ingress Protection Ratings of IPX7 and IPX9K
  • 2.2mm to 8mm Focal Length
Red Series M12 Lenses Red Series M12 Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Up to 1/2", S-Mount Lens
  • Up to 1.3 MegaPixels, 5µm Pixel Size Sensors
  • Board Camera Lens Optimized Long WD and Infinite Conjugate
  • 3.6mm to 8mm Focal Lengths
Rugged Blue Series M12 Lenses Rugged Blue Series M12 Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Up to ½", S-Mount Lens
  • Up to 5 MegaPixels, 1.4µm Pixel Size Sensors
  • Ruggedized Designs (50g Shock) of our Blue Series Lens with Individual Optics Glued in Place
  • 2mm to 25mm Focal Length
  • Non-Ruggedized Designs Also Available
Blue Series M12 Lenses Blue Series M12 Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Up to ½", S-Mount Lens
  • Up to 5 MegaPixels, 1.4µm Pixel Size Sensors
  • High Resolution Board Camera Lens Optimized for Close WD
  • 2mm to 25mm Focal Length
  • Ruggedized Designs Also Available
Liquid Lens M12 Lenses Liquid Lens M12 Lenses
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
New
  • Up to 1/1.8", S-Mount Lens
  • Up to 5 MegaPixels, 2.8µm Pixel Size Sensors
  • Liquid Lens Provides Quick Autofocus
  • 6mm to 16mm Focal Length
Long Working Distance Optimized Imaging Lenses Long Working Distance Optimized Imaging Lenses
  • Up to 2/3", S-Mount Lens
  • Wide Field of View Board Camera Lens
  • 1.68mm to 50mm Focal Length
25mm MPT Series 1.4", 45MP Fixed Focal Length Lens
Computar MPT Series Fixed Focal Length Lenses New
  • Ultra-Low Distortion
  • Compatible with 45 MegaPixel, 1.4”, C-Mount Cameras
  • Focal Lengths Ranging from 12mm – 50mm

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Fixed Focal Length Lenses, commonly referred to as C-Mount Lenses, are used in many robotics or inspection applications. Fixed Focal Length Lenses are imaging lens assemblies designed with a single angular field of view, also known as constant focal length. These imaging lenses typically have a minimum working distance, but no maximum, extending performance out to infinity. Objects closer to the Fixed Focal Length Lens will appear larger than objects farther from the lens. Edmund Optics offers a wide variety of Fixed Focal Length Lenses and C-Mount Lenses in a range of sizes, anti-reflection coatings, sensor coverage, resolving powers (MTF), focal lengths, or working distances.

Compact Fixed Focal Length Lenses, which offer a small physical size, are ideal for automated machine vision applications. Compact VIS-NIR Fixed Focal Length Lenses also offer optimized performance in the Visible to Near Infrared (NIR) spectrums. High Resolution Fixed Focal Length Lenses are designed for compatibility with 5 MegaPixel sensors. SWIR Fixed Focal Length Lenses have been designed for optimal performance in the 0.9 - 1.7μm wavelength range.

FAQs

  

What are fixed focal length lenses?

Fixed focal length lenses, commonly also referred to as factory automation (FA) lenses, C-Mount lenses, or prime lenses, are imaging lens assemblies designed with a singular angular field of view and constant focal length. Fixed focal length lenses typically have a minimum working distance, an optimal working distance, and no maximum working distance. These lenses are available with a variety of mounts, anti-reflection (AR) coating, resolution options, and much more. For more information about fixed focal length lenses and how they differ from other imaging lenses including telecentric lenses and M12 lenses, read about Types of Machine Vision Lenses, Basic Lens Selection, and Advanced Lens Selection.
  

What different types of fixed focal length lenses does Edmund Optics offer?

Edmund Optics offers a wide selection of fixed focal length lenses, also called FA (factory automation) or prime lenses, in many different focal lengths options, for different sensor sizes, and in a variety of types with additional machine vision utilities.

The TECHSPEC® C Series Fixed Focal Length Lenses is the flagship family of versatile and adjustable imaging lenses designed for compact use in most machine vision applications and features focal length options from 3.5mm to 100mm. This family of lenses is also available in a wide range of other useful versions. The TECHSPEC® Ci Series Fixed Focal Length Lenses are mechanically simplified and streamlined versions of the C Series that are industrially ruggedized for instrumentation integration. The TECHSPEC® Cr Series Fixed Focal Length Lenses are stability ruggedized versions of the C Series with all optical elements glued in place and featuring a C-clamp focus ring for reduced pixel shift and improved focus stability. The TECHSPEC® Cx Series Fixed Focal Length Lenses are modular and have flexible mechanics for integrating accessories such as liquid lenses, fixed apertures, and more. The TECHSPEC® Cw Series Fixed Focal Length Lenses are IPX7 and IPX9K waterproof versions of the C Series.

Additional fixed focal length lenses adjacent to the C Series family include the UC Series (ultra-compact), designed for ≤2.2μm pixels, the 2/3” and 1.1” HP Series (high-performance), and the CA Series for APS-C format sensors. All fixed focal length lenses at Edmund Optics can be found on this page.

  

What types of lens mounts are available for imaging lenses?

Imaging lenses feature a wide variety of lens mounts, all of which offer different benefits. For a more comprehensive breakdown of these types and what they are useful for, read Lens Mounts. The most common mounts used in machine vision are the C-Mount, S-Mount (M12 mount), F-Mount, TFL-Mount, and TFL II Mount. The C-Mount, S-Mount, TFL-Mount, and TFL II Mount types offer robust stability for machine vision systems whereas the bayonet-style mount of the F-Mount lends itself better to non-industrial, photography-type applications. However, the most useful mount type depends on the size of the machine vision camera sensor being used as well as the optical abilities of the imaging lens.

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