Enhance your macro photography and lens focusing capabilities with this high-quality Focusing Helicoid Tube, crafted from durable aluminum alloy for long-lasting performance. Featuring a standard M42 mount, this helicoid tube is designed to provide precise and smooth adjustable length, allowing you to achieve perfect focus with lenses that lack a focus ring. Its versatile design makes it an essential accessory for photographers seeking fine focus control and extended focusing distance. Key Features: · Durable Aluminum Alloy Construction: Made from sturdy metal, this helicoid tube ensures reliability and longevity during use. · Adjustable Length Design: Available in multiple length options (12-17mm, 17-31mm, 25-55mm, 36-90mm), it offers flexible focusing distance adjustment to meet various photographic needs. · Standard M42 Mount Compatibility: Equipped with a universal M42 mount, this tube easily attaches to compatible lenses and camera bodies for seamless integration. · Ideal for Lenses Without Focus Rings: Perfect solution for lenses lacking manual focus control, enabling precise focusing adjustments. · Macro Photography Support: Functions effectively as a macro extension tube, providing fine focus control for close-up and detailed shots. · Enhanced Performance with Filter Adapters: Works even better when paired with filter adapters, expanding creative possibilities. Specifications: · Material: Aluminum Alloy · Color: Black · Adjustable Length Options: 12-17mm, 17-31mm, 25-55mm, 36-90mm · Diameter: Approx. 5.8cm (2.28 inches) · Weight: Approx. 57-102g Package Includes: · 1 x Focusing Helicoid Adapter This Focusing Helicoid Tube is a versatile and reliable accessory for photographers aiming to improve lens focusing precision and macro shooting capabilities. Its adjustable length and robust build make it a valuable addition to your camera gear for enhanced creative control and image quality.