FA FAQ0105 Is it possible to make design equation except for the standard design equations by ourselves? FAQ0106 Is it necessary to treat the surface of the object? FAQ0107 When the aspherical lens is set, if an optical axis of the aspherical lens is deviated against one of design equation, what happens? FAQ0108 What is the reason why a radius at the tip of probe was 0.5mm (ruby stylus) and 2µm(diamond stylus)? And,how should we use properly? FAQ0109 Tell me the difference of the accuracy by the difference of a slope angle (reference : specifications).