Feature Highlights: 1. Versatile Compatibility – This step-up adapter ring lets you use 52mm filters, close-up lenses, and other accessories on lenses with a 40.5mm filter thread. 2. Durable Metal Build – Made of solid metal, it’s lightweight yet strong, ensuring a secure fit and long-lasting performance. 3. Easy to Use – Simply screw it onto your 40.5mm lens, and you’re ready to attach 52mm accessories—no tools needed. 4. Compact & Portable – With a slim design (approx. 55mm diameter, 6mm height), it’s easy to carry and doesn’t add bulk. 5. Secure Connection – Precision-cut threads provide a tight, stable fit between your lens and accessories. Product Details: This step-up adapter ring smoothly converts your 40.5mm lens thread to 52mm, allowing you to attach larger filters, lens hoods, or other photo accessories. Its all-metal construction offers reliability without adding extra weight. Perfect for photographers looking to expand their lens compatibility quickly and easily. Specifications: - Material: Metal - Male Thread: 40.5mm (1.59 inches) - Female Thread: 52mm (2 inches) - Size: Approx. 55mm (max. diameter) × 6mm height (2.16 × 0.24 inches) - Color: Black - Weight: 7g - Package Includes: 1 × Step-Up Adapter Ring Note: Slight color variations may occur due to lighting and screen differences. Dimensions may have a tolerance of +/- 1–3mm. Only the adapter ring is included; other items shown are not part of the package.