{"product_id":"sony-a-5031-634-b-s1st-lens-assembly","title":"Sony a-5031-634-b S1st Lens Assembly","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SONY a-5031-634-b is a first-lens group assembly designed as an internal optical component for Sony full-frame mirrorless lenses. This part represents the forward optical element subassembly, which captures and directs incoming light through the remainder of the lens barrel. It is a factory-replacement part intended for service technicians and lens repair specialists performing optical assembly work on compatible Sony lens units. Proper handling and alignment during installation are critical to maintaining optical performance and image quality.\u003c\/p\u003e\u003cp\u003eThis lens assembly is referenced in service documentation for the Sony SEL50F12GM lens, the FE 50mm f\/1.2 GM full-frame E-mount prime lens. It is a repair-level component suited for authorized Sony service centers and experienced optical repair technicians working on this specific lens model. It is not a user-serviceable part intended for end-user replacement.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOEM Sony factory-replacement first-lens group subassembly\u003c\/li\u003e\n\u003cli\u003eReferenced for use with the SEL50F12GM (FE 50mm f\/1.2 GM) lens\u003c\/li\u003e\n\u003cli\u003ePrecision optical component requiring professional-level handling and alignment\u003c\/li\u003e\n\u003cli\u003eDesigned to maintain original optical performance when installed correctly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eReferenced in service documentation for the Sony SEL50F12GM FE 50mm f\/1.2 GM full-frame E-mount lens.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation of this optical subassembly should be performed only by qualified lens repair technicians with experience in precision optical disassembly and reassembly. Disconnect and fully power down any associated camera body before beginning lens service work. Use appropriate optical-grade handling tools and a clean, dust-controlled environment to prevent contamination of optical surfaces. Improper alignment of optical groups can result in reduced image quality and may require additional calibration steps.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lens Model\u003c\/strong\u003e: SEL50F12GM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Type\u003c\/strong\u003e: First Lens Group Assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SONY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: a-5031-634-b\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SONY","offers":[{"title":"Default Title","offer_id":51200713883954,"sku":"A-5031-634-B","price":1198.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/307161846.png?v=1779690572","url":"https:\/\/voomisupply.com\/products\/sony-a-5031-634-b-s1st-lens-assembly","provider":"Voomi Supply","version":"1.0","type":"link"}