The PrimaLuce Lab 7mm M48 extension is the perfect tool to achieve the perfect focus for your astrophotography. This extension is designed to fit between your camera and telescope and provides a secure connection that eliminates any unwanted movement. With its high-quality materials and precision engineering, the PrimaLuce Lab 7mm M48 extension offers unmatched stability, accuracy, and reliability. Get ready to capture stunning detail and depth in your astroimages with this essential accessory. M48 extension rings have different uses: They can be screwed to optical accessories (such as field flatteners or focal reducers) to bring the camera sensor at the right distance from the lens (to optimize performance) They can be used to separate the mechanical accessories that, when used together, can touch and then not work properly (eg an off-axis guider could touch a filter wheel and it could prevent its rotation searching for a guide star) Specifications - Thickness: 7mm - Material: aluminum - Black anodizing - M48 male and female thread on sides - External knurling to improve grip
