Product Description: M52-M42 Focusing Helicoid Adapter - Precision and Versatility for Enhanced Photography Unlock the potential of your photography with our M52-M42 Focusing Helicoid Adapter, a versatile tool designed for photographers who seek enhanced focus control and the ability to transform their lens capabilities. This adapter is an essential accessory for those looking to expand their creative reach. Transformative Focusing Solution The focusing helicoid adapter is an excellent choice for photographers aiming to magnify or modify lenses that lack a built-in focusing system. It provides a reliable and efficient focusing mechanism, allowing you to refine and enhance the functionality of your existing lenses with ease. Perfect for Macro Photography Use this adapter as a macro extension tube to achieve precise focus control, essential for capturing fine details in macro photography. It supports a focal length adjustment from 17mm (0.7 inches) to 31mm (1.2 inches), offering a 14mm (0.6 inches) range for meticulous lens focusing. Durable and Ergonomic Design Constructed from high-quality aluminum alloy, this adapter is black anodized for a sleek appearance and extended durability. Its robust design provides a comfortable hand feel, ensuring a long service life and reliable performance in various shooting conditions. Optimized Image Quality The inner wall of the focusing helicoid tube is matted to minimize reflections, preventing unwanted glare that could affect image quality. This feature ensures that your photos remain clear and vibrant, free from distracting light artifacts. Universal Compatibility Featuring M52 and M42 thread interfaces, this adapter offers strong versatility and easy transfer between lenses and cameras. It allows you to repurpose idle old lenses for use with digital cameras, significantly broadening your creative options and flexibility. Enhance your photography with the M52-M42 Focusing Helicoid Adapter. Whether you're a professional photographer or an enthusiastic hobbyist, this adapter provides the precision and adaptability you need to capture stunning images and explore innovative photographic techniques.