Equilateral prism

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	Standard	Custom
Materials	All Glass types, Fused Silica & Infrared Crystal Materials
Flatness	/2	/10
Surface Quality	60 - 40	20 - 10
Roof angle	± 5 arc Sec	± 2 arc Sec
Angle	± 3 min	± 5 arc Sec
Dimensions Tolerance	± 0.15	± 0.01
Dimensions Available	1.5 mm to 150mm	1.5 mm to 150mm
Coatings Available	on request