Aspheric Lenses

ASL-25-37.5

1
Precision aspehric lens
Estimate separately
Classification Precision aspehric lens （ASL）
Coating Uncoated
External form D(mm) φ25.0
f(mm) +37.5
Material L-BAL35
Design Wavelength DWL 587.6nm
YESRoHS対応状況

Product documentation

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Description

This lens can be easily designed and integrated into complex optical systems. Featuring low f/#’s for optimum light gathering and focusing performance, that lens is computer optimized to eliminate spherical and minimize higher order aberrations.
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Specifications

Classification Precision aspehric lens （ASL）
Coating Uncoated
External form D(mm) φ25.0
f(mm) +37.5
Numerical Aperture(N.A.) 0.33
B.f(mm) 33.72
t1(mm) 2.3
Center Thickness t2(mm) 6
Material L-BAL35
Profile irregularity RMS(μm) 0.75
Externals Tolerance(mm) 0/-0.1
Clear Aperture(mm) [Dia.] ×0.9
Surface quality 60-40
Design Wavelength DWL 587.6nm
Enter Thickness Tolerance(mm) ±0.1
Centering(mm) 3′～5′
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Curve(FOR REFERENCE ONLY)

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Specification drawings(or pictures)

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