Enhance your astrophotography setup with this precision-engineered Astronomical Telescope M48 Threaded Extension Tube Kit, designed to solve spacing and focusing challenges for clearer, sharper images. Crafted from durable anodized aluminum alloy, this kit includes multiple extension tubes with varying heights, allowing you to customize the spacing to achieve the perfect image scale or precise distance needed for reducers, field flatteners, and other optical accessories. Key Features: · Precision M48 Threads: Each extension tube features standard M48x0.75 female and male threads, ensuring secure and stable connections that effectively eliminate focusing issues in astrophotography. · Eliminate Stray Light: The female thread design helps block redundant and reflected light, reducing image interference and enhancing clarity and contrast for high-quality astrophotography results. · Variable Length Combination: The kit contains eight extension tubes of different heights (3mm, 5mm, 7mm, 10mm, 12mm, 15mm, 20mm, and 30mm), allowing you to combine one or multiple tubes as needed to achieve the exact spacing required. · Durable Aluminum Alloy Construction: Made from anodized aluminum alloy, the tubes offer excellent wear resistance and longevity, providing a stable, lightweight, and corrosion-resistant solution for your telescope setup. · Lightweight and Compact: Weighing only 107g (3.8 oz), this extension tube kit is easy to carry and install, making it a convenient accessory for both amateur and professional astronomers. Specifications: · Material: Aluminum Alloy (Anodized) · Thread: M48 x 0.75 (Male and Female) · Extension Tube Heights: 3mm, 5mm, 7mm, 10mm, 12mm, 15mm, 20mm, 30mm · Gross Weight: 107g / 3.8oz · Item Type: Focal Length Extension Tube Kit Package Includes: · 8 x M48 Threaded Extension Tubes (3mm, 5mm, 7mm, 10mm, 12mm, 15mm, 20mm, 30mm) Optimize your telescope’s focusing capabilities and eliminate spacing problems efficiently with this versatile M48 threaded extension tube kit, designed specifically for astronomical telescope photography. Achieve sharper starscapes and improved image clarity with a reliable, adjustable extension solution.