This is a fused silica JGS2 lightweight blank with diameter of F736mm. The raw material weighs 100KG, after machining, the lightweight blank is about 44.5KG. The blank is designed with complex lightweight structure to have a good balance of the structure stiffness and the weight. The parameters after processing are greatly beyond the customer requirements. As a supplier of lightweight blanks and mirrors, MG Optics offers not only lightweight fused silica JGS2 blanks, but also lightweight ULE\ SiC\ Zerodur blanks. In addition to the lightweight mirror blanks , MG Optics also provides precision polishing and coating of lightweight blanks required by our customers. MG-Optics will also provide you optical aspheric mirror, optical flat, optical metrology, custom CGH, optical system and optical mirror blank.  If you are interested with our products, Just send us your drawings or specifications, we will begin preparing a quotation for you. Contact with our professional technician engineer now!