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

12.7mm Dia. x 40.0mm FL, MgF2 Coated, Plano-Convex Lens

Any of our lenses with a diameter of 5mm or greater can be specified with blackened edges. To specify the blackening, simply append a –INK to the BBAR coated stock number.
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Stock #38-246 In Stock
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Other Coating Options
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$32.50
Qty 1-9
$32.50
Qty 10+
$29.25
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Diameter (mm):
12.70 +0.0/-0.025
Effective Focal Length EFL (mm):
40.00 @ 587.6nm
Back Focal Length BFL (mm):
38.48
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
N-BK7
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Focal Length Tolerance (%):
±1
Centering (arcmin):
<1
Center Thickness CT (mm):
2.30 ±0.10
Edge Thickness ET (mm):
1.30
Radius R1 (mm):
20.67
Clear Aperture CA (mm):
11.7
f/#:
3.15
Numerical Aperture NA:
0.16
Type:
Plano-Convex Lens
Bevel:
Protective bevel as needed
Wavelength Range (nm):
400 - 700
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
10 J/cm2 @ 532nm, 10ns

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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Reach 235:
Compliant
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Product Family Description

TECHSPEC® MgF2 Coated Plano-Convex (PCX) Lenses have a positive focal length, making them ideal for collecting and focusing light in imaging applications. They are also useful in a variety of applications involving emitters, detectors, lasers, and fiber optics. TECHSPEC® MgF2 Coated Plano-Convex (PCX) Lenses are available in a wide variety of diameters and focal lengths. Identical designs of these lenses are also offered uncoated or with broadband anti-reflective (BBAR) coatings, which include VIS 0°, VIS-NIR, NIR I, NIR II, VIS-EXT, and YAG-BBAR.