The Sunpak St Up 43-49 Step up Ring is a high-quality accessory used to adapt lenses with a 43mm filter thread size to filters or lenses with a 49mm thread size. This durable step-up ring is made by Sunpak, a trusted brand known for producing top-notch photography equipment. The St Up 43-49 step-up ring ensures a secure and precise fit, allowing photographers to expand their creative options by utilizing different filters and lenses interchangeably. Enhance your photography setup with this versatile step-up ring designed for seamless compatibility and reliable performance. Elevate your photography game with the Sunpak St Up 43-49 Step up Ring.