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Equilateral prism
Equilateral prisms known as three equal 60degree angles and also named dispersing prisms. It can be used for light dispersion. PHYO can provide both coated and uncoated prisms as requested. Contact if for special design request. 


Spec Commercial High Precision
Material As required like H-K9L,BK7,FS As required like H-K9L,BK7,FS
Demension Tolerance +0.00/-0.20 +0.00/-0.10
90degree daviation tolerance 1-3arcmin 10/-10arcsec
45degree daviation tolerance 20/-20arcsec 3/-3arcsec
Flatness per 25mm@632.8nm L-L/2 L/4-L/8
Surface quality 80-50 40-20
Bevel 0.05-0.2 0.05-0.2
Coating AR, HR, Painting available AR, HR, Painting available
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