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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

6mm Dia. x -9mm FL, VIS 0° Coated, Double-Concave Lens

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Stock #48-938 Contact Us
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₹3,114
Qty 1-9
₹3,114
Qty 10+
₹2,803
Volume Pricing
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Specifications

General

Type:
Double-Concave Lens

Physical & Mechanical Properties

Diameter (mm):
6.00 +0.0/-0.025
Bevel:
Protective bevel as needed
Center Thickness CT (mm):
1.00
Center Thickness Tolerance (mm):
±0.05
Centering (arcmin):
<3
Clear Aperture CA (mm):
5.4
Edge Thickness ET (mm):
1.79

Optical Properties

Effective Focal Length EFL (mm):
-9.00
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
f/#:
1.5
Numerical Aperture NA:
0.33
Coating:
VIS 0° (425-675nm)
Wavelength Range (nm):
425 - 675
Back Focal Length BFL (mm):
-9.32
Coating Specification:
Ravg ≤0.4% @ 425 - 675nm
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Radius R1=-R2 (mm):
-9.47
Surface Quality:
40-20
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
5 J/cm2 @ 532nm, 10ns
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 235:

Product Details

TECHSPEC® VIS 0°  Coated Double-Concave (DCV) Lenses are designed to have two inward curved surfaces and a negative focal length similar to Plano-Concave (PCV) lenses. These lenses can be used for balancing aberrations created by other lenses within a system due to their negative spherical aberration. Double-Concave (DCV) lenses are commonly used in a variety of applications including image reduction, beam expansion and telescopes TECHSPEC® VIS 0° Coated Double-Concave (DCV) Lenses are best used in 0° angle of incidence situations and provide optimized transmission in the 425nm – 675nm range. These lenses are also available Uncoated, VIS-EXTMgF2VIS-NIRNIR I, or with NIR II AR coating options.

Technical Information

Coating Curves

  • VIS 0° (425-675nm)
Only 2 different Y Axises can be displayed at one time.

Please note that coating performance outside each product’s specified design range is theoretical and may vary.

Related Products

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.

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