Name: 25mm Dia x 50mm FL, Uncoated, High Precision Aspheric Lens
Brand: TECHSPEC
SKU: 12-439
Price: NT$23,450

Diameter (mm):

25.00 +0.00/-0.025

Effective Focal Length EFL (mm):

50.00 @ 587.6nm

Numerical Aperture NA:

0.25

Back Focal Length BFL (mm):

45.23

N-BK7

Aspheric Design Wavelength (nm):

587.6

Asphere Figure Error, RMS @ 632.8nm:

λ/40

Coating:

Uncoated

Centering (arcmin):

<3

Surface Quality:

40-20

Clear Aperture CA (mm):

22.50

Edge Thickness ET (mm):

4.14

Center Thickness CT (mm):

7.24

f/#:

2

Bevel:

Protective bevel as needed

Shape of Back Surface:

Plano

Type:

Aspheric Lens

Wavelength Range (nm):

350 - 2200

Conjugate Distance:

Infinite

Note:

3D Surface Profile included with uncoated lenses

Power (diopters):

20.00

Regulatory Compliance

RoHS:

Compliant

Certificate of Conformance:

View

產品系列說明

具有高精密非球面表面
未鍍膜透鏡帶有 3D 表面輪廓
可選未鍍膜及反射比 <0.25% 的V型鍍膜

TECHSPEC^® 高精密非球面透鏡保證提供優於 λ/40 的非球面形狀誤差。這類非球面透鏡透過精密磁流變拋光 (MRF) 技術達成以上目標，提供高數值孔徑，直徑介於 15 至 50mm，適合各種成像及低亮度應用使用。提供適用於可見光和近紅外線 (NIR) 的寬頻抗反射 (BBAR) 鍍膜選項。每個 TECHSPEC^® 高精密非球面透鏡均個別量測，並隨附 3D 表面外形。如需以特定 Nd:YAG 雷射波長設計的繞射極限非球面透鏡，請參閱 TECHSPEC^® 高精密雷射級非球面透鏡。

25mm Dia x 50mm FL, Uncoated, High Precision Aspheric Lens

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Regulatory Compliance

產品系列說明