Circular/Ø25.4mm/OD=0.3



中密度滤波片用于衰减可见光,降低光的强度,而不改变能量的相对光谱分布为光密度和透过率之间的换算公式为:

光密度:OD

透过率(%):T

OD = Lg(1 / T)

 

• 光密度范围:0.1-3

• 两种尺寸可供选择

• 支持客制规格

 

Specifications

Material Absorptive Glass

Dimension Tolerance +0.0/-0.2mm

Thickness Tolerance ±0.2mm

Flatness 2λ@632.8nm

Surface Quality 80/50 scratch and dig

Parallelism <5 arc minutes

Clear Aperture >90%

Design Wavelength 400-700nm

OD Tolerance ±10% of OD