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

6mm Dia. x -6mm FL, MgF2 Coated, Double-Concave Lens

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Stock #32-987 In Stock
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£28.47
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£28.47
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£25.71
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Diameter (mm):
6.00 +0.0/-0.025
Effective Focal Length EFL (mm):
-6.00
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
f/#:
1.00
Numerical Aperture NA:
0.50
Coating:
MgF2 (400-700nm)
Type:
Double-Concave Lens
Wavelength Range (nm):
400 - 700
Back Focal Length BFL (mm):
-6.41
Bevel:
Protective bevel as needed
Center Thickness CT (mm):
1.50
Center Thickness Tolerance (mm):
±0.05
Centering (arcmin):
<3
Clear Aperture CA (mm):
5.4
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
Edge Thickness ET (mm):
2.29
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Radius R1=-R2 (mm):
-9.74
Surface Quality:
40-20
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
10 J/cm2 @ 532nm, 10ns
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4

Regulatory Compliance

RoHS 2015:
Reach 219:
Certificate of Conformance:

Product Family Description

TECHSPEC® MgF2 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® MgF2 Coated Double-Concave (DCV) Lenses are ideal for broadband applications. These lenses are also available in Uncoated, VIS-EXTVIS 0°VIS-NIRNIR I, or with NIR II AR coating options.