Overview This 30-37mm step-up ring adapter is designed for photographers who need to use 37mm accessories—such as filters, lens hoods, or converters—on a 30mm lens. It seamlessly converts your lens thread size, ensuring secure compatibility and unlocking greater creative flexibility without compromising optical performance. Product Details Crafted from high-quality anodized aluminum, the adapter is both lightweight and durable. Its precise machining ensures a tight, wobble-free fit while preventing cross-threading. The ring screws easily onto the front of any 30mm lens, extending its compatibility with a wide range of 37mm accessories. Ideal for enhancing your camera’s versatility in various shooting conditions. Key Features 1. Universal Compatibility – Easily attaches to any 30mm lens thread, converting it to a 37mm filter thread for use with filters, hoods, flashes, and other accessories. 2. Premium Build – Made of solid anodized black aluminum, offering strength, corrosion resistance, and a lightweight design. 3. Secure Fit – Precision-engineered to mount firmly without wobbling or cross-threading, ensuring stability and protection for your lens. 4. Step-Up Function – Converts from a smaller lens thread (30mm) to a larger accessory thread (37mm), expanding your gear options without degrading image quality. 5. Easy to Use – Simply screw the adapter onto your lens—no tools required. A must-have accessory to maximize the potential of your camera system. Note: Please verify your camera lens thread size before ordering. This adapter is compatible only with 30mm lenses. The lens thread size is usually marked on the lens barrel or printed inside the lens cap, preceded by a "⌀" symbol. Product images are for reference only; please refer to the actual item.