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

12mm Diameter x -12 FL, NIR II Coated, Plano-Concave Lens

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Stock #67-991 Other Coating Options
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€38,75
Qty 1-9
€38,75
Qty 10+
€34,25
Volume Pricing
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Specifications

Diameter (mm):
12.00 +0.0/-0.025
Effective Focal Length EFL (mm):
-12.00
Back Focal Length BFL (mm):
-13.23
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):
2.20
Center Thickness Tolerance (mm):
±0.05
Focal Length Tolerance (%):
±1.00
Focal Length Specification Wavelength (nm):
587.6
Centering (arcmin):
<1
Clear Aperture CA (mm):
11.00
Edge Thickness ET (mm):
3.97
Radius R1 (mm):
-9.42
f/#:
1.00
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 2015:
Reach 224:

Description

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

Compatible Mounts

Title  Type Compare Stock Number  Price Buy
25mm Cage 12mm Diameter Lens Mount Fixed #85-550 €36,50 Request Quote
12.0mm Optic Dia., Optic Mount Fixed #64-555 €39,00
Qty 10+ €35,10 Request Quote
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