You can elevate your photography to new heights with the Dmw-STC20 Lumix S Series 2.0x Teleconverter, a powerful and versatile accessory designed to enhance the capabilities of your Lumix S Series telephoto zoom lenses. This innovative teleconverter is compatible with the Lumix S Pro 70-200mm F4 O.i.s. (S-R70200), transforming it into a super telephoto lens with an extended zoom range of up to 400mm. The Dmw-STC20 Lumix S Series 2.0x Teleconverter is not just about increasing your zoom range it also ensures high-speed, high-precision autofocus for capturing those crucial moments with utmost clarity. This advanced teleconverter is designed to maintain the exceptional image quality that the Lumix S Series is renowned for, even when shooting at maximum zoom.Built to withstand the rigors of professional use, the Dmw-STC20 Lumix S Series 2.0x Teleconverter boasts a rugged dust and splash-resistant design. It's engineered to perform under harsh conditions, even in temperatures as low as 10 degrees below zero, offering high mobility for photographers on the go. Please note, while the dust and splash-resistant design enhances durability, it does not guarantee that damage will not occur if the lens is subjected to direct contact with dust and water.In summary, the Dmw-STC20 Lumix S Series 2.0x Teleconverter is a high-quality, innovative solution for photographers seeking to extend the reach of their Lumix S Pro 70-200mm F4 O.i.s. lens, offering enhanced zoom capabilities, fast and precise autofocus, and a durable design for reliable performance in challenging environments..