Features: The S135FE Tripods Mount Collar is specifically For 28-105mm F2.8 DN lens, features for 39mm ARCA quick release plate compatibles ARCA tripods heads, ensuring secure and stable support for your photography needs. FRom aerospace aluminum with precise machining, this lens collar offers a lightweight, durability designing with anodized finish, enhancing both functionality and aesthetics compared to similar products. For professional photographers and photography enthusiasts, especially those using telephoto lens,reliabled equipment. Perfectly for outdoor landscape photography, indoor life and long exposure scenario where stability and precise phpto important. Enhances your camera setting with the IS S135FE lens collar, to seamlessly integrate, providing unmatched stability and versatility for your creative projects. Specifications: Model: IS-S135FE Base Size：about 5.50cm/2.17in Component：Metal For 28-105mm F2.8 DN Mount lens 50mm F 1.2 DN Package Includes: 1PC IS-S135FE Collar note: Please allow 1-2cm errors due to manual measurement,please make sure that do not mind before order. Due to difference between different monitors, the picture may not reflect the actual color the item.