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

50mm Dia. x 250mm FL YAG-BBAR Coated, Double-Convex Lens

YAG-BBAR Coated Double-Convex (DCX) Lenses

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Stock #89-293
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Qty 1-9
A$114.40
Qty 10+
A$101.60
Volume Pricing
Request Quote
Diameter (mm):
50.00 +0.0/-0.025
Back Focal Length BFL (mm):
248.37
Effective Focal Length EFL (mm):
250.00
Coating:
YAG-BBAR (500-1100nm)
Coating Specification:
Rabs <0.25% @ 532nm
Rabs <0.25% @ 1064nm
Ravg <1.0% @ 500 - 1100nm
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):
<1
Bevel:
Protective bevel as needed
Center Thickness CT (mm):
4.93
Center Thickness Tolerance (mm):
±0.10
Edge Thickness ET (mm):
2.5
Radius R1=-R2 (mm):
257.57
Clear Aperture CA (mm):
49.00
f/#:
5.00
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Numerical Aperture NA:
0.10
Type:
Double-Convex Lens
Typical Energy Density Limit:
5 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
350 - 2200

Regulatory Compliance

RoHS 2015:
Reach 219:

Product Family Description

TECHSPEC® YAG-BBAR Coated Double-Convex (DCX) Lenses, also referred to as bi-convex lenses, have two positive, symmetrical faces with equal radii on both sides. These lenses are generally recommended for finite imaging applications with a conjugate ratio (ratio between object distance and image distance) between 0.2 and 5. At a conjugate ratio of 1, aberrations such as spherical aberration, chromatic aberration, coma, and distortion are minimized or cancelled due to the symmetric lens design. TECHSPEC YAG-BBAR Coated Double-Convex Lenses are available in a variety of substrates and coating options for the visible and NIR spectra.

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