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

25.0mm Diameter x -50 FL, MgF2 Coated, Plano-Concave Lens

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Stock #45-029 Other Coating Options
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$35.50 $23.08
Qty 1-9
$35.50 $23.08
Qty 10+
$31.50 $20.48
Volume Pricing
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Specifications

Diameter (mm):
25.00 +0.0/-0.025
Effective Focal Length EFL (mm):
-50.00
Back Focal Length BFL (mm):
-52.31
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
Center Thickness CT (mm):
3.50
Center Thickness Tolerance (mm):
±0.10
Focal Length Tolerance (%):
±1
Focal Length Specification Wavelength (nm):
587.6
Centering (arcmin):
<1
Clear Aperture CA (mm):
24.00
Edge Thickness ET (mm):
6.33
Radius R1 (mm):
-25.84
f/#:
2.00
Numerical Aperture NA:
0.25
Bevel:
Protective bevel as needed
Type:
Plano-Concave Lens
Typical Energy Density Limit:
10 J/cm2 @ 532nm, 10ns
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:
Reach 219:

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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