This step-up ring is suitable for 49-52mm camera lens, which adopts great tightness, ultra-low chemical residues with no wobbling or cross-threading. It provides flexibility for you to allow the 52mm filter to be used on a lens with 49mm front filter threads. Furthermore, the special anodized aluminium gives it high strength and impact resistance. Features: 100% New, High Quality A replacement Step Up ring for your cameras,can mount lens on the camera. Made of anodized Aluminium. Extremely solid and lightweight: Specifically designed for your camera for a tight and secure fit. No wobbling or cross-threading. Cause No Damage: It will fit perfectly and cause no damage to your lens or camera, which is very reliable and practical. Specifications: Color: Black Suitable: For filters, adapters, lens, lens hoods, lens caps and more. Male thread: 49mm Female thread: 52mm Package List: 1 * Step-up Filter Rings Package List 1100% New, High Quality 2A replacement Step Up ring for your cameras,can mount lens on the camera. 3Made of anodized Aluminium. 4Extremely solid and lightweight: Specifically designed for your camera for a tight and secure fit. No wobbling or cross-threading. 5Cause No Damage: It will fit perfectly and cause no damage to your lens or camera, which is very reliable and practical.