Name: 18mm直径X27mm焦距，未镀膜，双凸透镜
Brand: TECHSPEC
SKU: 32-707
Price: RMB 273.23

18mm直径X27mm焦距，未镀膜，双凸透镜

产品编码 #32-707 6-10 工作日其他镀膜选项

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RMB 163.94 ~~RMB 273.23~~

数量 1-9
RMB 163.94 ~~RMB 273.23~~

数量 10+
RMB 148.07 ~~RMB 246.79~~

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产品对比

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直径 (mm):

18.00 +0.0/-0.025

后焦距 BFL (mm):

25.25

有效焦距 EFL (mm):

27.00

涂层:

Uncoated

N-BK7

表面质量:

40-20

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

中心偏（弧分）:

倒角:

Protective bevel as needed

中心厚度 CT (mm):

5.50

中心厚度容差 (mm):

±0.10

边缘厚度 ET (mm):

2.42

半径 R₁=-R₂ (mm):

27.08

有效孔径 CA（mm）:

17.00

有效焦距/有效孔径直径比:

1.5

焦距指定波长 (nm):

587.6

焦距容差 (%):

±1

数字孔径 NA:

0.33

类型:

Double-Convex Lens

波长范围 (nm):

350 - 2200

合规性

RoHS 2015:

符合标准

Certificate of Conformance:

浏览

Reach 235:

符合标准

产品系列说明

波长范围350-2200nm
精确的直径和向心性公差，可轻松实现OEM 集成
提供各种直径、焦距和镀膜
抗反射增透膜选项: MgF₂, VIS 0°, VIS-NIR, NIR I, NIR II, VIS-EXT, 和 YAG-BBAR

双凸透镜有两个曲率向外的表面，正焦距，可用于1:1成像系统和多元件系统。

技术信息

N-BK7
	Typical transmission of a 3mm thick, uncoated N-BK7 window across the UV - NIR spectra. Click Here to Download Data
	Typical transmission of a 3mm thick N-BK7 window with MgF2 (400-700nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_avg ≤ 1.75% @ 400 - 700nm (N-BK7) Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick N-BK7 window with VIS-EXT (350-700nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_avg≤ 0.5% @ 350 - 700nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick N-BK7 window with VIS-NIR (400-1000nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs≤ 0.25% @ 880nm R_avg≤ 1.25% @ 400 - 870nm R_avg≤ 1.25% @ 890 - 1000nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick N-BK7 window with VIS 0° (425-675nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_avg≤ 0.4% @ 425 - 675nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick N-BK7 window with YAG-BBAR (500-1100nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs ≤ 0.25% @ 532nm R_abs ≤ 0.25% @ 1064nm R_avg≤ 1.0% @ 500 - 1100nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick N-BK7 window with NIR I (600 - 1050nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_avg≤ 0.5% @ 600 - 1050nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick N-BK7 window with NIR II (750 - 1550nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs ≤ 1.5% @ 750 - 800nm R_abs ≤ 1.0% @ 800 - 1550nm R_avg≤ 0.7% @ 750 - 1550nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data