Concave Mirror - 4" dia, 150mm Focal Length - 3mm Thick - Glass

• This round concave glass mirror is designed for physics and educational uses. 
• It is approximately 4" (100mm) diameter and 3mm thick. Note, thickness varies as they are not designed to be consistent in that respect. 
• Because of their educational use design, there may be minor imperfections that do not affect physical function. 
• 150mm Focal Length 

 Round concave glass mirror designed for physics and educational uses.