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

25mm Dia. x -25mm FL, MgF2 Coated, Double-Concave Lens

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Stock #32-993 Other Coating Options
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- +
₹3,145.00
Qty 1-9
₹3,145.00
Qty 10+
₹2,784.00
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Diameter (mm):
25.00 +0.0/-0.025
Effective Focal Length EFL (mm):
-25.00
Back Focal Length BFL (mm):
-25.69
Coating:
MgF2 (400-700nm)
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
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):
24.0
Center Thickness CT (mm):
2.50
Center Thickness Tolerance (mm):
±0.10
Centering (arcmin):
<1
Bevel:
Protective bevel as needed
Edge Thickness ET (mm):
6.05
f/#:
1.00
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Numerical Aperture NA:
0.50
Radius R1=-R2 (mm):
-39.78
Type:
Double-Concave Lens
Typical Energy Density Limit:
10 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS 2015:
Reach 224:

Product Family Description

  • AR Coated to Provide <1.75% Reflectance per Surface for 400 - 700nm
  • Designed for 0° Angle of Incidence
  • Various Coating Options: Uncoated, 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.

Technical Information

Technical Information

Technical Information

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