Sony a-5052-370-b S-3 6th Group Assembly

Product Description

The SONY a-5052-370-b is a factory lens group assembly designed as an internal optical component for Sony camera lens units. Specifically identified as the S-3 6th Group Assembly, this part serves as a precision optical subassembly within the lens barrel. It is a genuine Sony replacement component intended for use by qualified camera repair technicians and optical service professionals performing internal lens rehabilitation or factory-level servicing on compatible Sony imaging equipment.

This assembly is referenced in Sony service documentation under model association SEL2070G, indicating its role within the Sony FE 20-70mm lens family. It is suited for depot-level repair environments where internal optical group replacement is required to restore lens performance after physical damage, fungal contamination, or element failure. Installation requires disassembly of the lens barrel and precision alignment of optical groups.

Key Features

• Factory Sony optical group assembly for internal lens repair
• Designed as a direct OEM replacement for the 6th optical group position
• Associated with Sony SEL2070G lens service documentation
• Precision-fit component for accurate optical alignment during reassembly
• Genuine Sony part ensuring correct optical specifications are maintained

Compatibility

Referenced in Sony service documentation for the SEL2070G lens assembly. Compatibility with additional Sony lens models is not confirmed by available input data.

Installation Notes

Installation of internal optical group assemblies should be performed by qualified camera and lens repair technicians with experience in precision optical disassembly. Full lens barrel disassembly is required before this component can be accessed or replaced. Technicians should work in a clean, dust-controlled environment to prevent contamination of optical surfaces. Correct seating and alignment of the optical group is critical to restoring proper focus and image quality after reassembly.

Technical Specifications

• Assembly Reference: S-3 6th Group Assembly
• Associated Lens Model: SEL2070G
• Component Type: Internal optical lens group assembly

Standard Information

• Brand: SONY
• Manufacturer Part Number: a-5052-370-b