50mm Square Concave Glass Mirror  

50mm Square Concave Glass Mirror Concave Spherical Mirrors have a polished, spherical surface, metallic coating, and curved back. Each mirror has a positive focal length, and will focus incident light. All first surface Concave Spherical Mirrors feature a glass substrate. We are accept custom made spherical mirror,please kindly let me know your design,stock size is also available  Technical Specifications: Material BK7 Dimension  50*50mm  Dimension Tolerance +0/-0.1mm as request Focal Length 200mm Surface Quality 60/40 Flatness lambda/4 per 25nm at 632.8nm Clear Aperture >85% Edge Thickness 5mm Coating  UV Enhanced Aluminium, Aluminium (Al)…