Suitable for 18 55 18 135 lenses, fixable base base mount for a more stable photography . Highly , for 18-135mm 18-55mm 18-105mm 55-200mm lens. Precise, for the lens; Simple installation, easy to remove. For camera users, photography enthusiasts and professional photographers who need more stable Suitable for a variety of photography scene, such as travel, landscape, portrait, providing clearer and more stable result.