iShoot Tripod Mount Ring for Canon EF 28-300mm f/3.5-5.6L is USM, Lens Collar Support for Canon EF 70-300mm f/4-5.6L is USM CNC, CNC Machined, Aviation Aluminum, Bottom is Camera Quick Release Plate sold2024 Working temperature: -40~70

Working temperature: -40~70

plug in the 110V plug into the respective slots

4V/2A Safety Certificate： CE

100% brand new and high quality 2

iShoot Tripod Mount Ring for Canon EF 28-300mm f/3.5-5.6L is USM, Lens Collar Support for Canon EF 70-300mm f/4-5.6L is USM CNC, CNC Machined, Aviation Aluminum, Bottom is Camera Quick Release Plate sold2024 Working temperature: -40~70iShoot Tripod Mount Ring for Canon EF 28 300mm f 3. 5 5. 6L is USM, Lens Collar Support for Canon EF 70 300mm f 4 5. 6L is USM CNC, CNC Machined, Aviation Aluminum, Bottom is Camera Quick Release Plate iShoot Tripod Mount Ring, 80mm Camera Lens Collar Support for Canon EF 28 300mm f 3. 5 5. 6L IS USM Lens and Canon EF 70 300mm f 4 5. 6L IS USM Lens, Built in ARCA SWISS Quick Release Plate for Tripod Ball Head Main Features: 1. The lens support is