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Material:optical glass,fused silica,CaF2 and optical crystal
Size:4mm-100mm
Dimension tolerance:±0.2mm
Angle tolerance:5 arc sec—3 arc min
Optical paralellism:10arc sec
Flatness:λ／10—1λ
Surface quality:40—20scratch and dig
Clear aperture:90％
Coating:avaliable upon request
beam splitter lens