Never used . I don’t need it . The Tamron 70-300mm f/4.5-6.3 Di III RXD Lens for Sony E-Mount is a high-quality zoom lens designed for Sony cameras. With a maximum aperture of f/4.5, this lens is versatile and suitable for a range of photography styles. The lens is made with durable plastic exterior material and weighs 1.2 lbs, making it easy to carry and use for extended periods of time. The auto focus feature ensures sharp and clear images, while the Tamron Di III series ensures exceptional image quality. Overall, this lens is a reliable and convenient option for photographers looking to expand their kit.