Price not negotiable. Brand new, unused. Only opened briefly when taking photos of the product. Please take a look at my transaction history and feedback comments for a smooth and worry-free transaction (^-^) ----------------------------------- ★ Product Description This telescope adapter allows you to easily connect M48 and M42 accessories. It provides intuitive installation and maximum flexibility for your astronomical setup. - **Dual Thread Design Expands Options:** Features an M48X0.75 male thread on one side and an M42X0.75 male thread on the other, with an additional internal M42 thread on the M48 side. This increases flexibility for connecting various accessories. - **Easy Thread Conversion:** Converts M48 male threads to M42 male threads, improving compatibility with different telescope accessories. - **Durable Design:** Constructed from high-quality anodized aluminum, this durable all-metal adapter is designed to withstand extended outdoor use. - **Long-lasting Quality:** The premium anodized aluminum is wear-resistant, ensuring this adapter remains reliable even with frequent use and will perform for years to come. #any product NIKON Nikon CANON Canon Olympus