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See all 33 Products in Family

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

25mm Dia x 50mm FL, Uncoated, High Precision Aspheric Lens

Name: 25mm Dia x 50mm FL, Uncoated, High Precision Aspheric Lens
Brand: TECHSPEC
SKU: 12-439
Price: C$1,031.38 CAD

TECHSPEC® High Precision Aspheric Lenses

Stock #12-439 5 In Stock Other Coating Options

- +

C$1,031^.38

Volume Pricing
Qty 1-10	C$1,031.38 each
Qty 11+	C$816.20 each
Need More?	Request Quote

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Product Downloads

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PDF Drawing:pdf

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Code V:seq

EO Spec Sheet

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

Specifications

General

Type:

Aspheric Lens

Note:

3D Surface Profile included with uncoated lenses

Physical & Mechanical Properties

Diameter (mm):

25.00 +0.00/-0.025

Centering (arcmin):

Clear Aperture CA (mm):

22.50

Edge Thickness ET (mm):

4.14

Center Thickness CT (mm):

7.24

Bevel:

Protective as needed

Shape of Back Surface:

Plano

Optical Properties

Effective Focal Length EFL (mm):

50.00 @ 587.6nm

Numerical Aperture NA:

0.25

Back Focal Length BFL (mm):

45.23

N-BK7

Aspheric Design Wavelength (nm):

587.6

Asphere Figure Error, RMS @ 632.8nm:

λ/40

Coating:

Uncoated

Surface Quality:

40-20

f/#:

Wavelength Range (nm):

350 - 2200

Conjugate Distance:

Infinite

Power (diopters):

20.00

Regulatory Compliance

Certificate of Conformance:

View

Product Details

High Precision Aspheric Surface
3D Surface Profiles Included with Uncoated Lenses
Uncoated and <0.25% Reflectance V-Coat Available

TECHSPEC® High Precision Aspheric Lenses guarantee better than λ/40 wave aspheric figure error. Achieved via precision magneto-rheological finishing (MRF), these aspheres offer high numerical apertures with diameters ranging from 15 to 50mm and are ideal for a variety of imaging and low light level applications. Each TECHSPEC High Precision Aspheric Lens is individually measured. 3D surface profiles are included with uncoated lenses. For diffraction-limited aspheres designed at specific Nd:YAG laser wavelengths, see our TECHSPEC High Precision Laser Grade Aspheric Lenses.

Accessories

Related Products

High Precision Laser Grade Aspheric Lenses

Glass Polished

UV Fused Silica Aspheric Lenses

Optical Lens and Filter Mounts

Custom

Edmund Optics offers comprehensive custom manufacturing services for optical and imaging components tailored to your specific application requirements. Whether in the prototyping phase or preparing for full-scale production, we provide flexible solutions to meet your needs. Our experienced engineers are here to assist—from concept to completion.

Our capabilities include:

Custom dimensions, materials, coatings, and more
High-precision surface quality and flatness
Tight tolerances and complex geometries
Scalable production—from prototype to volume

Learn more about our custom manufacturing capabilities or submit an inquiry here.

Imaging Lens Selector

Frequently Purchased Together

#84-417 - 100mm Diameter Enhanced Aluminum Coated, λ/10 Mirror

C$740.52

#12-438 - 25mm Dia x 37.5mm FL, Uncoated, High Precision Aspheric Lens

C$1,031.38

#12-429 - 15mm Dia x 18.75mm FL, Uncoated, High Precision Aspheric Lens

C$860.72

Compatible Mounts

Title	Type	Stock Number	Price	Buy
25.0/25.4mm Optic Dia., SM1 Thin Mount, M4	Fixed	#13-787	C$28.67 Request Quote	20+ In Stock
25.0/25.4mm Optic Dia., SM1 Thin Mount, 8-32	Fixed	#13-788	C$28.67 Request Quote	20+ In Stock
25.0mm Optic Dia., Optic Mount	Fixed	#64-560	C$44.84 Request Quote	16 In Stock
25mm Thin Inner Single Optic Mount	Fixed	#38-755	C$49.98 Request Quote	20+ In Stock
30mm Cage 25/25.4mm Diameter Lens Mount	Fixed	#85-587	C$59.85 Request Quote	20+ In Stock
30mm Cage 25/25.4mm Diameter Thick Lens Mount	Fixed	#85-588	C$62.84 Request Quote	20+ In Stock
25/30mm Cage 25mm Diameter Lens Mount	Fixed	#85-678	C$62.84 Request Quote	4 In Stock
25.0/25.4mm Optic Dia., L-Slot Direct Mount	Fixed	#36-410	C$93.10 Request Quote	20+ In Stock
25/25.4mm Diameter, T-Mount Thin Optic Mount	Fixed	#52-292	C$96.29 Request Quote	4 In Stock
25/25.4mm Diameter, T-Mount Thick Optic Mount	Fixed	#52-293	C$96.29 Request Quote	Contact Us ×
25.0/25.4mm Optic Dia., Side Flange Direct Mount	Fixed	#36-414	C$97.76 Request Quote	3 In Stock
25mm Thin Inner Pair Optic Mounts	Fixed	#11-052	C$97.76 Request Quote	6 In Stock
25mm Thick Inner Pair Optic Mounts	Fixed	#11-054	C$97.76 Request Quote	16 In Stock
25.0/25.4mm Optic Dia., L-Slot and Rotation Direct Mount	Adjustable - Rotary	#36-411	C$139.65 Request Quote	9 In Stock
25/25.4mm Diameter, C-Mount Thin Optic Mount	Fixed	#56-353	C$144.06 Request Quote	20+ In Stock
25/25.4mm Diameter, C-Mount Thick Optic Mount	Fixed	#56-354	C$144.06 Request Quote	16 In Stock
25.0/25.4mm Optic Dia., X-Y Translating Optic Mount	Adjustable - Linear (XY)	#62-956	C$379.26 Request Quote	7 In Stock
25.0/25.4mm Optic Dia., X-Y-Z Translating Optic Mount	Adjustable - Linear (XYZ)	#62-959	C$742.35 Request Quote	7 In Stock
25.0/25.4mm Optic Dia., 5 Axes Optical Mount	Adjustable - Linear (XYZ) & Tip-Tilt	#13-776	C$1,036.35 Request Quote	3 In Stock

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

All About Aspheric Lenses

Learn all about the benefits of aspheres, their unique anatomy, how they're manufactured, and how to choose the right one for your system.

View Now

Mid-spatial frequency errors of mass-produced aspheres

View Now

Computer Generated Hologram Metrology

Computer Generated Hologram metrology provides a new solution for overcoming traditional asphere metrology. Learn more about CGH metrology at Edmund Optics.

View Now

Aspheric Lens Takeover

Time to Replace Spherical Elements with Aspheric Lenses

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Shape Factor Influence in Aspheric Lens Design

Learn how the shape factor of an aspheric lens effects its performance and when certain shape factors are the most advantageous.

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ISO Drawings for Aspheric Lenses

Aspheric lens drawings following the ISO 10110 standard are critical tools for communicating manufacturing and testing requirements for the lenses.

View Now

Aspheric Lens Irregularity and Strehl Ratio

The Strehl ratio of an optical system is a comparison of its real performance with its diffraction-limited performance.

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Aspheric Lenses Review

What is an aspheric lens? In what applications are aspheric lenses used?

View Now

How an Aspheric Lens is Made

Edmund Optics® manufactures thousands of precision aspheric lenses per month in our asphere manufacturing cell that operates 24 hours a day.

View Now

Designing Large Diameter Aspheres

View Now

Managing Holography Errors in Asphere Metrology

View Now

Properly Designing and Specifying Aspheric Lenses

View Now

Spatial Frequencies and Aspheric Lens Performance

View Now

Understanding Aspheric Lenses

View Now

Aspheres: The impact of shape factor on asphere design

View Now

Aspheres: Still Adding Value

View Now

The Long and the Short of It: Techniques for Measuring Aspheres

View Now

Does Edmund Optics® sell Computer Generated Holograms?

View Now

Is there a limit to the range of angles in which a CGH can be used?

View Now

Should the aspheric surface of an asphere always face the object / light source?

View Now

How do I know if angle of incidence (AOI) and deposition effects during coating will be an issue for me when looking at off-the-shelf aspheres?

View Now

Are all aspheric lenses from Edmund Optics® polished using magnetorheological finishing (MRF)?

No, advances in subaperture polishing have allowed for the fabrication of aspheres with surface figure error down to λ/20 (0.25µm). However, MRF is still...

View Now

What are the challenges associated with increasing the diameter of optics like aspheric lenses?

The CNC polishing equipment used to fabricate the optics must have a large enough range of motion to properly polish the full asphere, and the weight of the...

View Now

What are aspheric condenser lenses?

View Now

Why plastic aspheric lenses?

View Now

What exact kind of metrology does Edmund Optics use to support its asphere manufacturing?

View Now

Does Edmund Optics still use magnetorheological finishing for high quality aspheres?

View Now

What are the different types of aspheric lenses?

View Now

Aspheric Lens

View Now

CNC Polished Aspheric Lenses

CNC polished aspheric lenses offer high numerical apertures while creating diffraction-limited spot sizes and are ideal for high-precision applications.

View Now

Mid-Spatial Frequency (MSF) Errors

Deviations in surface form relative to an ideal shape at higher spatial frequencies than Zernike polynomial aberrations but lower frequencies than roughness.

View Now

Plastic Molded Aspheric Lenses

Lightweight, cost-effective aspheric lenses with a lower scratch resistance and thermal stability than molded glass aspheres.

View Now

Precision Glass Molded Aspheric Lenses

Meta description: Ideal for volume applications, including laser diode collimation, bar code scanners, and optical data storage. Can be molded into diameters as small as 1mm.

View Now

Spherical Aberration

View Now

Cinema Lenses, The Age of Streaming, and Aspheres

Cinema lenses designed to create content tailored for online streaming utilize aspheres to shoot with a shallow depth of field while maintaining quality.

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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.

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

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Is CGH metrology used for measuring any other products besides aspheric lenses?

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What are the accuracy limitations of a CGH?

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Hybrid Molding

View Now

Aspherized Achromatic Lenses

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

Power

View Now

Singlet Lens

View Now

Strehl Ratio

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.

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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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Diffraction Limit

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

Meet Jeremy Govier: Asphere Guru

The Future Depends on Optics®

View Now

Surface Flatness

View Now

Transmission

View Now

How do I clean my optics?

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Clear Aperture (CA)

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Refraction

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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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Surface Quality

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