Features: l Using vibration polishing technology, the accuracy is 20% higher than that of manual polishing l Tailored according to the lens structure, with quick release plate function added at the bottom l The inner wall of the tripod ring bracket is an irregular annular shape, and the contact surface is made of plastic synthetic film, which is closely combined with the lens l Compatible with Tamron 18-300mm F3.5-6.3 Di III-A VC VXD B061 X-Mount/E-Mount, cannot be used with other lenses l The bottom adopts RRS/ARCA-SWISS structure quick release plate, with 1/4 and 3/8 screw holes on the plate Specification: l Applicable Model: for Tamron 18-300mm F3.5-6.3 Di III-A VC VXD B061 X Port and E Port Package Includes: l 1x Lens Tripod Ring Bracket