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檢視所有 26 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

9mm Dia. x -12mm FL, VIS 0° Coated, Double-Concave Lens

Stock #48-939 5-7 Days Other Coating Options

- +

NT$1,383

Qty 1-9
NT$1,383

Qty 10+
NT$1,243

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比較

下載產品資料

Diameter (mm):

9.00 +0.0/-0.025

Effective Focal Length EFL (mm):

-12.00

f/#:

1.33

Numerical Aperture NA:

0.38

Coating:

VIS 0° (425-675nm)

Type:

Double-Concave Lens

Wavelength Range (nm):

425 - 675

Back Focal Length BFL (mm):

-12.41

Bevel:

Protective bevel as needed

Center Thickness CT (mm):

1.50

Center Thickness Tolerance (mm):

±0.05

Centering (arcmin):

<1

Clear Aperture CA (mm):

8.1

Coating Specification:

R_avg ≤0.4% @ 425 - 675nm

Edge Thickness ET (mm):

2.43

Focal Length Specification Wavelength (nm):

587.6

Focal Length Tolerance (%):

±1

Radius R₁=-R₂ (mm):

-19.16

Surface Quality:

40-20

5 J/cm² @ 532nm, 10ns

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Regulatory Compliance

RoHS 2015:

Certificate of Conformance:

Reach 235:

產品系列說明

採用抗反射鍍膜，對於425 - 675nm的光可為表面提供小於0.4%的反射率
針對0°入射角而設計
多種鍍膜選擇：無鍍膜、MgF₂、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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