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檢視所有 13 產品系列

TECHSPEC^®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

25mm Dia. x -50mm FL, Uncoated, Double-Concave Lens

Stock #32-996 5-7 Days Other Coating Options

- +

NT$1,138

Qty 1-9
NT$1,138

Qty 10+
NT$1,024

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比較

下載產品資料

Diameter (mm):

25.00 +0.0/-0.025

Effective Focal Length EFL (mm):

-50.00

f/#:

2.00

Numerical Aperture NA:

0.25

Coating:

Uncoated

Type:

Double-Concave Lens

Wavelength Range (nm):

350 - 2200

Back Focal Length BFL (mm):

-50.82

Bevel:

Protective bevel as needed

Center Thickness CT (mm):

2.50

Center Thickness Tolerance (mm):

±0.10

Centering (arcmin):

<1

Clear Aperture CA (mm):

24.00

Edge Thickness ET (mm):

5.40

Focal Length Specification Wavelength (nm):

587.6

Focal Length Tolerance (%):

±1

Radius R₁=-R₂ (mm):

-52.10

Surface Quality:

40-20

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Regulatory Compliance

RoHS 2015:

Reach 219:

Certificate of Conformance:

產品系列說明

波長範圍是350-2200nm
憑藉精密的直徑及同軸性容差可輕鬆實現OEM整合
提供各種直徑及焦距
提供附加抗反射鍍膜選擇：MgF₂、VIS 0°、VIS-NIR、NIR I及NIR II

雙凹 (DCV) 透鏡具有兩個向內彎曲的曲面以及負焦距。它們用於影像縮小及散射光線

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