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

9mm Dia. x -9mm FL, Uncoated, Double-Concave Lens

Stock #48-336
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Qty 1-9
₹2,184.00
Qty 10+
₹1,974.00
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Diameter (mm):
9.00 +0.0/-0.025
Effective Focal Length EFL (mm):
-9.00
Back Focal Length BFL (mm):
-9.61
Coating:
Uncoated
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Clear Aperture CA (mm):
8.1
Center Thickness CT (mm):
2.25
Center Thickness Tolerance (mm):
±0.05
Centering (arcmin):
<3
Bevel:
Protective bevel as needed
Edge Thickness ET (mm):
3.48
f/#:
1.00
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Numerical Aperture NA:
0.50
Radius R1=-R2 (mm):
-14.60
Type:
Double-Concave Lens
Wavelength Range (nm):
400 - 2500

Regulatory Compliance

RoHS 2015:
Reach 219:

Product Family Description

  • Wavelength Range of 350-2200nm
  • Precision Diameter and Centration Tolerances Allow for Easy OEM Integration
  • Wide Variety of Diameters and Focal Lengths
  • Additional AR Coating Options Available: MgF2, VIS 0°, VIS-NIR, NIR I, and NIR II

Double-Concave (DCV) Lenses have two inward curved surfaces and a negative focal length. They are used for image reduction and to spread light.

 
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