빠른 지원
인증된 전문가에게 직접 연결
인증된 전문가에게 직접 연결

- Function and Applications:
Newton rings apparatus on stem.
- Equipment and technical data:
Plano-convex lens on plate glass mirror.
Lens diameter: 40 mm.
Curvature radius: approx. 12 m.
Adjustable scale with mm-graduation, in metal frame with three adjusting screws.