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     Overview
Home >> Filters >> Overview 

Filters are used for selecting or filtrating the specific wave band,they are widely used in optical instrument, industrial measurement, environment protection and many other applications.We can provides short pass filter,long pass filter,band pass filter ,color glass filter,etc.

The dimension and coating index can be customized according to customer requirements.

Specification

Material

BK7,Fused Silica,Color Glass

Dimension Tolerance

+0.0/-0.2

Parallelism

<3 arc minute

Surface Quality

60/40 scratch/dig

Clear Aperture

Central 90%

Flatness

< λ@633nm