Product Description

The SONY a-5063-728-a is a Focus Ring Assembly, an OEM mechanical component designed for use in Sony camera lens systems. The focus ring is the external rotating collar on a lens barrel that allows manual adjustment of the focal point. Technicians and camera repair specialists source this part for service and repair of Sony lenses that use the 8039B assembly configuration. This is a genuine Sony replacement part, suited for authorized service centers and experienced repair professionals working on Sony consumer electronics optics.

This Focus Ring Assembly is intended for use in Sony lens repair applications, specifically referenced under assembly code 8039B and associated with the SELP16502 lens. It is used when the original focus ring shows wear, damage, or failure that prevents smooth manual focus operation. Typical use cases include physical damage repair, lens barrel disassembly, or full mechanical overhaul of compatible Sony lens units.

Key Features

Genuine Sony OEM replacement Focus Ring Assembly
Referenced under Sony assembly code 8039B
Compatible with SELP16502 lens platform
Designed as a direct mechanical replacement for the original focus ring collar
Sourced from Sony Consumer Electronics Parts and Accessories catalog

Compatibility

Associated with Sony lens SELP16502 and assembly code 8039B, as noted in the manufacturer part documentation.

Installation Notes

Installation should be performed by a qualified camera repair technician or authorized Sony service center. Disassemble the lens barrel carefully following proper optical disassembly procedures, and work in a clean, dust-controlled environment to avoid contaminating internal lens elements. Power down and disconnect any attached camera body before beginning lens service. Avoid forcing the focus ring during installation, as improper seating can affect focus accuracy and mechanical function.

Technical Specifications

Assembly Code: 8039B
Associated Lens: SELP16502

Standard Information

Brand: SONY
Manufacturer Part Number: a-5063-728-a

Brand	SONY
MPN	A-5063-728-A

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