6 inch Attenuations Filter


SKU:
6024-0323-01
Spedizione:
Calcolato al momento del checkout

This attenuation filter is used to optimie measurement of highly reflective parts and helps produce good fringe contrast. The filter is positioned between the test part and a standard transmission flat. 

Specifications: 

Quality : ≤ ƛ/10 Transmitted wavefront (PVr) Transmittance (4 in. filter) : 20 ± 4% @ 10° angle of incidence @ ƛ=632.8 nm through the pelicle