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All Products / Optics / Optical Lenses / Plano-Convex (PCX) Lenses / Fused Silica Plano-Convex (PCX) Lenses / λ/20 Plano-Convex (PCX) Lenses
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

25mm Dia. x 75mm FL, 266nm Laser V-Coat, λ/20 PCX Lens

TECHSPEC λ/20 Plano-Convex (PCX) Lenses

TECHSPEC λ/20 Plano-Convex (PCX) Lenses

TECHSPEC λ/20 Plano-Convex (PCX) Lenses Any of our lenses with a diameter of 5mm or greater can be specified with blackened edges. To specify the blackening, simply append a –INK to the BBAR coated stock number.
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Stock #38-762 Clearance In Stock
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$207.00
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$207.00
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Specifications

General

Type:
Plano-Convex Lens

Physical & Mechanical Properties

Diameter (mm):
25.00 +0.0/-0.1
Centering (arcmin):
<1
Center Thickness CT (mm):
4.43 ±0.10
Edge Thickness ET (mm):
2.08
Clear Aperture CA (mm):
22.5
Bevel:
Protective bevel as needed

Optical Properties

Effective Focal Length EFL (mm):
75.00 @ 587.6nm
Back Focal Length BFL (mm):
71.96
Coating:
Laser V-Coat (266nm)
Coating Specification:
Rabs <0.25% @ 266nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Surface Quality:
20-10
Power (P-V) @ 632.8nm:
λ/4
Irregularity (P-V) @ 632.8nm:
λ/20
Focal Length Tolerance (%):
±1
Radius R1 (mm):
34.39
f/#:
3.00
Numerical Aperture NA:
0.17
Design Wavelength DWL (nm):
266
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
3 J/cm2 @ 266nm, 20ns, 20Hz

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 209:
Compliant
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Certificate of Conformance:
View
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Product Details

  • λ/20 Surface Accuracy
  • Available Uncoated or with a Variety of Nd:YAG Laser Coating Options
  • Includes Full Data Package with Interferogram and Measured Results for Geometric Tolerances

TECHSPEC® λ/20 Plano-Convex (PCX) Lenses are ideal for applications requiring minimal wavefront distortion. TECHSPEC λ/20 Plano-Convex (PCX) Lenses feature the characteristics required for high precision use, including a precision fused silica substrate, λ/20 surface accuracy, and 20-10 surface quality. Each lens is available with a full data package that includes interferogram and measured results for diameter, radius, center thickness, and centration.

Laser Optics

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.

Compatible Mounts