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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 75mm FL, NIR I Coated, Achromatic Lens

Stock #22-493 5-7 Days Other Coating Options

- +

NT$2,275 ~~NT$4,550~~

Qty 1-5
NT$2,275 ~~NT$4,550~~

Qty 6+
NT$1,820 ~~NT$3,640~~

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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):

25.00 +0.0/-0.025

Effective Focal Length EFL (mm):

75.00

Focal Length Tolerance (%):

±1

Back Focal Length BFL (mm):

69.06

Focal Length Specification Wavelength (nm):

880.00

Clear Aperture CA (mm):

24.00

Centering (arcmin):

<1

Center Thickness CT (mm):

10.00 ±0.20

Center Thickness CT 1 (mm):

6.00 ±0.10

Center Thickness CT 2 (mm):

4.00 ±0.10

Radius R₁ (mm):

43.96

Radius R₂ (mm):

-42.90

Radius R₃ (mm):

-392.21

Edge Thickness ET (mm):

7.98

N-LAK22 / N-SF6

Surface Quality:

40-20

f/#:

3.00

Numerical Aperture NA:

0.17

Coating:

NIR I (600-1050nm)

Coating Specification:

R_avg ≤0.5% @ 600 - 1050nm

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Bevel:

Protective bevel as needed

Type:

Achromatic Lens

Wavelength Range (nm):

600 - 1050

Regulatory Compliance

RoHS:

Compliant

Certificate of Conformance:

View

Reach 240:

Compliant

產品系列說明

提供更高的分辨率與更小的光斑在NIR波段 (750-1100nm)
單色光源的球面像差更小(不足2μm)
Broadband AR Coating has <1% Reflectivity Between 750–1550nm

我們的 TECHSPEC® 近紅外消色差透鏡專為在 750 至 1100nm 範圍內為多色光提供最小化光斑而設計。採用我們的近紅外雙膠合透鏡(而非針對可見光而設計的標準雙膠合透鏡)，可將 RMS 光斑直徑從 43μm 降低至 22.5μm (例如在使用多色光時即可實現)。這些雙膠合透鏡的典型應用包括：用於近紅外的 CCD 成像透鏡、近紅外雷射的聚焦與擴束，以及用於光纖及近紅外 LED 的聚焦/準直透鏡。

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