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

12.5mm Dia x -25mm FL VIS 0° Coated, Negative Achromatic Lens

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Stock #62-486 3-4 days
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Other Coating Options
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€88,00
Qty 1-5
€88,00
Qty 6+
€74,80
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Diameter (mm):
12.50 +0.0/-0.025
Effective Focal Length EFL (mm):
-25.00
Focal Length Tolerance (%):
±1
Back Focal Length BFL (mm):
-27.33
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
11.50
Centering (arcmin):
<1
Center Thickness CT (mm):
4.55 ±0.10
Center Thickness CT 1 (mm):
2.00 ±0.05
Center Thickness CT 2 (mm):
2.55 ±0.05
Radius R1 (mm):
-17.75
Radius R2 (mm):
12.17
Radius R3 (mm):
109.75
Edge Thickness ET (mm):
5.74
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BAF10 / N-SF10
Surface Quality:
40-20
f/#:
2.00
Numerical Aperture NA:
0.25
Coating:
VIS 0° (425-675nm)
Coating Specification:
Ravg ≤0.4% @ 425 - 675nm
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Bevel:
Protective bevel as needed
Type:
Negative Achromatic Lens
Wavelength Range (nm):
425 - 675

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 219:
Compliant
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Certificate of Conformance:
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Product Family Description

TECHSPEC® Broadband AR Coated Negative Achromatic Lenses are corrected for color and on-axis aberrations. These lenses, consisting of two optical elements cemented together, are commonly used as Barlow lenses to extend focal lengths. TECHSPEC® Broadband AR Coated Negative Achromatic Lenses are available in various diameter sizes and VIS 0° or VIS-NIR coating options.