Features: Custom IS-SL730 tripod mount ring, for Panasonic Lumix S 70-300 f/4.5-5.6 Macro OIS lens, it retains the switching function The corners of the tripod adapter ring are polished and the surface in contact with the lens is fixed with plastic film, which prevents the lens from scratching. Plate length is about 50mm, built-in camera quick release plate for tripod head, equipped with 1/4" and 3/8" screw holes, allows you to attach the lens to the tripod directly. Bottom is 39mm standard RRS interface plate, for RRS/ ARCA-SWISS/ WIMBERLEY MARKINS/ PHOTOCLAM/ SUNWAYFOTO / BENRO tripod ball head, pan head and clamp. Made of aviation aluminum material, precision CNC machining, lightweight hollow design, polished and anodized finish on the surface, exquisite workmanship and durable for long lifespan. Specifications: Material: Aluminum alloy Lens inner diameter: approx. 74.5mm, width: approx. 22.5mm Plate length: approx. 50mm/2.16" Applicable model: for Panasonic Lumix S 70-300 f/4.5-5.6 Macro OIS lens Note: After installation, it only supports horizontal shooting, does not support vertical shooting, and the tripod ring cannot rotate. Please allow 0-1cm error due to manual measurement. make sure you don't mind before ordering. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 pc IS-SL730 tripod mount ring