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

25mm Dia. x 25mm FL Uncoated, Double-Convex Lens

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Stock #32-489 Other Coating Options
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- +
C$42.53
Qty 1-9
C$42.53
Qty 10+
C$37.46
Volume Pricing
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Specifications

Diameter (mm):
25.00 +0.0/-0.025
Back Focal Length BFL (mm):
22.47
Effective Focal Length EFL (mm):
25.00
Coating:
Uncoated
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):
8.00
Center Thickness Tolerance (mm):
±0.10
Edge Thickness ET (mm):
2.90
Radius R1=-R2 (mm):
31.94
Clear Aperture CA (mm):
24.00
f/#:
1.00
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Numerical Aperture NA:
0.50
Type:
Double-Convex Lens
Wavelength Range (nm):
380 - 2500

Regulatory Compliance

RoHS 2015:
Reach 219:

Learn More

Product Family Description

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

Technical Information

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