Specification Brand : ciciglow BulletPoint1 : COMPATIBILITY: Designed for RF600mm 800mm F11 IS STM lenses to ensure perfect compatibility and provide solid support and mounting. BulletPoint2 : MULTIPLE THREADED HOLE DESIGN: The base is designed with multiple 1/4inch and 3/8inch threaded holes, which can be directly mounted to tripods, ball heads, light stands and other equipment, making it easy to adjust the position of the lens and tripod. BulletPoint3 : SIMPLE INSTALLATION: Very easy to install, just align the 1/4inch screws on the base with the threaded holes on the bottom of the lens, rotate the knob into place and secure the lens with the locating pin. BulletPoint4 : FOR QUICK RELEASE PLATE: Fits standard for quick release plate, which makes it easy to mount the lens to a tripod, ball head, jig or for standard panoramic tripod head. BulletPoint5 : AVIATION ALUMINUM: The camera lens tripod replacement seat is made of aviation aluminum and is CNC precisely machined with anodized surface to ensure product quality and durability. ItemName : Camera Lens Tripod Replacement Seat, for RF600mm 800mm F11 is STM Lenses, for Quick Release Plate, Quick Release Plate Lens Collar Foot Stand ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : tripod-lens-mount-rings Manufacturer : ciciglow ModelName : ciciglowpa698iq57t ModelNumber : ciciglowpa698iq57t PartNumber : ciciglowpa698iq57t ProductDescription : 1. COMPATIBILITY: Designed for RF600mm 800mm F11 IS STM lenses to ensure perfect compatibility and provide solid support and mounting. 2. MULTIPLE THREADED HOLE DESIGN: The base is designed with multiple 1/4inch and 3/8inch threaded holes, which can be directly mounted to tripods, ball heads, light stands and other equipment, making it easy to adjust the position of the lens and tripod. 3. SIMPLE INSTALLATION: Very easy to install, just align the 1/4inch screws on the base with the threaded holes on the bottom of the lens, rotate the knob into place and secure the lens with the locating pin. 4. FOR QUICK RELEASE PLATE: Fits standard for quick release plate, which makes it easy to mount the lens to a tripod, ball head, jig or for standard panoramic tripod head. 5. AVIATION ALUMINUM: The camera lens tripod replacement seat is made of aviation aluminum and is CNC precisely machined with anodized surface to ensure product quality and durability.