Name: 25mm Dia., 0.66 Numerical Aperture, 900-1700nm Coated, Inked, High Precision Aspheric Lens
Brand: TECHSPEC
SKU: 17-001-INK
Price: NT$13,475

Diameter (mm):

25.00 ±0.025

Effective Focal Length EFL (mm):

18.75 @ 587.6nm

Numerical Aperture NA:

0.66

Back Focal Length BFL (mm):

11.27

N-SF6

Asphere Figure Error, RMS @ 632.8nm:

0.4λ

Coating:

SWIR+ (900-1700nm)

Coating Specification:

R_avg <0.5% @ 900 - 1700nm @ ±30° AOI
R_abs <1.5% @ 900 - 1700nm @ ±30° AOI

Centering (arcmin):

<3

Surface Quality:

40-20

Clear Aperture CA (mm):

22.50

Edge Thickness ET (mm):

7.97

Center Thickness CT (mm):

13.50 ±0.10

f/#:

0.75

Bevel:

Protective bevel as needed

Shape of Back Surface:

Plano

Type:

Aspheric Lens

Wavelength Range (nm):

900 - 1700

Conjugate Distance:

Infinite

Regulatory Compliance

RoHS:

Compliant

Certificate of Conformance:

View

產品系列說明

是非球面透鏡的優化版本
具有精密非球面形
高數值孔徑可使光通量最大化

TECHSPEC^® 精密非球面透鏡為 CNC 拋光非球面透鏡，具備 0.4µm RMS 的非球面形狀誤差。這樣精準的非球面形狀誤差，讓這款透鏡適用於需要球面像差修正的應用，包括成像及雷射聚焦應用。這類非球面透鏡也可用於取代光學組件的多片球面鏡片，以減少重量和成本。TECHSPEC^® 精密非球面透鏡提供 10 至 50mm 直徑，並具備高數值孔徑以達到最大光通量。