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25.4mm Dia. x 50.8mm FL, Uncoated, ISP Optics Silicon (Si) Aspheric Lens | ASPH-SI-25-50

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Stock #24-883 Clearance 5-7 Days

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NT$6,538 ~~NT$16,345~~

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NT$6,538 ~~NT$16,345~~

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Specifications
詳細資料
Accessories
Technical Information
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相關產品
成像鏡頭選擇器

Diameter (mm):

25.40 +0.00/-0.13

Effective Focal Length EFL (mm):

50.80

Numerical Aperture NA:

0.25

Back Focal Length BFL (mm):

48.38

Silicon (Si)

Coating:

Uncoated

Centering, ETD (μm):

<20

Surface Quality:

60-40

Clear Aperture CA (mm):

22.86

Edge Thickness ET (mm):

2.40

Center Thickness CT (mm):

3.00 ±0.20

f/#:

2.00

Bevel:

Protective bevel as needed

Shape of Back Surface:

Concave

Wavelength Range (nm):

1200 - 7000

Conjugate Distance:

Infinite

Surface Roughness (Å):

<100 Ra

Irregularity (P-V) @ 632.8nm:

λ/4

Model Number:

ASPH-SI-25-50

Regulatory Compliance

RoHS 2015:

Compliant

Certificate of Conformance:

View

Reach 240:

Compliant

產品系列說明

穿透範圍為 1.2 - 7μm
繞射極限性能
可提供無鍍膜或適用3 - 5μm範圍內的 HDAR 鍍膜

ISP Optics 矽（Si）非球面透鏡為重量敏感的中波紅外（MWIR）應用提供繞射極限性能。無鍍膜版本可用於 1.2 - 7μm 範圍內的應用，高耐久性抗反射鍍膜（HDAR）可用於3 - 5μm範圍內的應用，是惡劣環境或黑體輻射應用的理想選擇。矽的努氏硬度為1150，相比鍺，矽更硬，鍺更脆。ISP Optics 矽非球面透鏡具有 2.329g/cm3 的低密度，因此是鍺和硒化鋅的輕質替代品。

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