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

4.5mm Dia. x 9mm FL, MgF2 Coated, Double-Convex Lens

Stock #45-186
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Qty 1-9
A$75.20
Qty 10+
A$67.60
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Diameter (mm):
4.50 +0.0/-0.025
Back Focal Length BFL (mm):
8.16
Effective Focal Length EFL (mm):
9.00
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
Centering (arcmin):
<3
Bevel:
Protective bevel as needed
Center Thickness CT (mm):
2.38
Center Thickness Tolerance (mm):
±0.05
Edge Thickness ET (mm):
1.80
Radius R1=-R2 (mm):
8.88
Clear Aperture CA (mm):
4.05
f/#:
2.00
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Numerical Aperture NA:
0.25
Type:
Double-Convex Lens
Typical Energy Density Limit:
10 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS 2015:
Reach 211:

Product Family Description

Double-Convex (DCX) Lenses have two outward curved surfaces, a positive focal length and are useful for 1:1 imaging and in multi-element systems.

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