Specifications Linear Dimensions : ? 0.15 mm Flatness - over central 90% edge dimension Standard Series : 2 l at 546 nm Precision Series : l/4 at 546 nm Angle Standard Series : ? 5 arc min. Precision Series : ? 15 arc sec. Material - As per customer's requirement Edges Beveled approx. 0.25 mm Edges fine ground Hypotenuse - Aluminised (AlSiO) Faces Antireflection coated Surface Quality: Mil-0-13830/80-50 |