Enhance your photography setup with this high-quality M42 Adjustable Aperture Lens Adapter Ring, designed to provide precise manual control over light entering your camera lens. Crafted from durable metal material, this lens adapter ring ensures reliable performance and long-lasting use, making it an essential accessory for photographers seeking flexibility and accuracy. Key Features: · Premium Metal Construction: Built with sturdy metal for enhanced durability and a long service life, ensuring consistent and reliable use. · Adjustable Aperture Range: Features an aperture diameter range from approximately 1.5mm (0.1in) to 29mm (1.1in), allowing you to finely tune the amount of light entering the lens for optimal exposure control. · Full Manual Control: Offers manual adjustment of scale focus and aperture priority with unlimited focus capability, providing photographers with complete creative control. · M42 to M42 Interface: Equipped with M42 ports on both upper and lower ends, ensuring compatibility with a wide range of lenses and camera systems using the M42 mount. · Lightweight and Compact: Weighing approximately 44g (1.6oz), this adapter ring is easy to handle and carry without adding bulk to your camera setup. · High Safety and Quality Assurance: Manufactured under strict quality control standards, delivering a high safety factor for dependable use and peace of mind. Specifications: · Item Type: Lens Adapter Ring · Material: Metal · Color: Black · Weight: Approx. 44g / 1.6oz · Interface: M42 to M42 · Aperture Diameter Range: 1.5mm to 29mm (0.1in to 1.1in) · Minimum Aperture Diameter: Approx. 1.5mm / 0.1in · Maximum Aperture Diameter: Approx. 29mm / 1.1in Package Includes: · 1 x M42 Adjustable Aperture Lens Adapter Ring This M42 Adjustable Aperture Lens Adapter Ring is ideal for photographers looking to enhance their manual control over aperture settings while maintaining compatibility with M42 mount lenses. Its robust metal construction and precise aperture adjustment capabilities make it a versatile and dependable addition to your photography gear.