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

25mm Diameter x -35 FL, NIR II Inked, Plano-Concave Lens

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Stock #68-000-INK Other Coating Options
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€53,00
Qty 1-9
€53,00
Qty 10+
€47,25
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Specifications

Diameter (mm):
25.00 ±0.025
Effective Focal Length EFL (mm):
-35.00
Back Focal Length BFL (mm):
-36.96
Coating:
NIR II (750-1550nm)
Coating Specification:
Rabs ≤1.5% @ 750 - 800nm
Rabs ≤1.0% @ 800 - 1550nm
Ravg ≤0.7% @ 750 - 1550nm
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
Center Thickness CT (mm):
3.50
Center Thickness Tolerance (mm):
±0.10
Focal Length Tolerance (%):
±1.00
Focal Length Specification Wavelength (nm):
587.6
Centering (arcmin):
<1
Clear Aperture CA (mm):
24.00
Edge Thickness ET (mm):
6.36
Radius R1 (mm):
-27.47
f/#:
1.4
Type:
Plano-Concave Lens
Typical Energy Density Limit:
8 J/cm2 @ 1064nm, 10ns
Wavelength Range (nm):
750 - 1550
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
8 J/cm2 @ 1064nm, 10ns

Regulatory Compliance

RoHS:

Learn More

Product Family Description

Plano-Concave (PCV) lenses have one flat and one inward curved surface. PCV lenses have a negative focal length and are used for image reduction or to spread light.

Technical Information

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