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

25mm Dia. x 40mm FL, VIS 0° Coated, Double-Convex Lens

Stock #47-367 Other Coating Options
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Diameter (mm):
25.00 +0.0/-0.025
Back Focal Length BFL (mm):
Effective Focal Length EFL (mm):
VIS 0° (425-675nm)
Coating Specification:
Ravg ≤0.4% @ 425 - 675nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
Power (P-V) @ 632.8nm:
Irregularity (P-V) @ 632.8nm:
Centering (arcmin):
Protective bevel as needed
Center Thickness CT (mm):
Center Thickness Tolerance (mm):
Edge Thickness ET (mm):
Radius R1=-R2 (mm):
Clear Aperture CA (mm):
Focal Length Specification Wavelength (nm):
Focal Length Tolerance (%):
Numerical Aperture NA:
Double-Convex Lens
Typical Energy Density Limit:
5 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
425 - 675
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
5 J/cm2 @ 532nm, 10ns

Regulatory Compliance

RoHS 2015:
Reach 224:
Certificate of Conformance:

Product Family Description

TECHSPEC® VIS 0° 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 VIS 0° Coated Double-Convex Lenses are available in a variety of substrates and coating options for the visible and NIR spectra.

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