All Our Other Accessories -Camera Lens Rubber Ring Highlights Generic Brand Camera Lens Rubber Ring Description: Product Type: A16 Zoom Rubber Ring Ideal replacement part for Tamron 17-50mm lens F2.8. Made of premium rubber, your ideal accessory for your camera. Installation instructions are not included, professional installation is recommended. The rubber ring can be sleeved directly on the lens, it is very easy to replace and install. specification: Material: rubber Size: 28x103mm/1.10x4.06inch Package includes: 1 piece A16 Zoom rubber ring Note: Please allow 0-1cm difference due to manual measurement. (1cm=0.39inch, 1inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Try to understand. Thank you!