Product Overview
Shenzhen Sunmy Hardware Co.,Ltd. specializes in the manufacturing of high-precision optical components. This product line features Precision Turned Parts specifically designed for the optical, photography, and instrument industries.

Our lens barrels and housing parts are manufactured from high-grade aluminum alloys, undergoing rigorous CNC turning and milling processes. The signature feature is our premium Black Anodized finish, which provides not only a durable, scratch-resistant surface but also essential anti-reflective properties required for high-end optical performance. Whether you need complex internal threading for lens retention or exterior knurling for grip, Sunmy delivers components that meet the exacting standards of global optical brands.

Application Scope: Camera lenses, microscope bodies, telescopic sights, laser housing, and night vision devices.

Process & Manufacturing Insights
To achieve the concentricity and finish quality seen in the attached images (such as the part marked “0.85m/2.8ft Φ67”), we employ a multi-stage manufacturing process:

Precision CNC Turning
We utilize multi-axis turning centers to machine complex geometries with tight tolerances. This ensures that the lens barrel maintains perfect circularity and alignment, which is critical for optical clarity.

Micro-Machining & Milling
For parts requiring side holes, slots, or complex mounts (like the T-shaped adapter shown), we integrate CNC milling to add functional features without sacrificing structural integrity.

Surface Treatment – Anodizing
After machining, parts undergo bead blasting (to remove tool marks) followed by Type II or Type III Hard Black Anodizing. This process creates a matte black surface that absorbs stray light, preventing internal reflections (ghosting/flaring) within the optical system.

Laser Engraving
As seen in your samples, we offer in-house laser marking for technical specifications, focal lengths, or branding logos directly onto the curved surfaces.

Key Specifications
Based on the visual analysis of the uploaded samples and standard optical industry requirements:

Key Features & Advantages
◎ Superior Optical Performance: Our matte black anodizing is specifically calibrated to minimize light reflection, ensuring the highest image quality for your optical devices.
◎ High Concentricity & Roundness: Essential for lens assembly; our turning process ensures that all optical elements align perfectly along the central axis.
◎ Complex Geometry Handling : From internal grooves for O-rings to complex bayonet mounts (as seen in the silver ring image), Sunmy can machine intricate features in a single setup to reduce cost and error.
◎ One-Stop Solution: From raw material selection to machining, surface finishing, and assembly (as shown in the full scope image), we handle the entire production cycle.