M19.5 x 0.5 Retaining Ring for ø19 mm Lens Mounts

The M19.5 x 0.5 Retaining Ring for ø19 mm Lens Mounts, catalog number SM19RR, is a precision-engineered accessory from Thorlabs, a leading brand in the field of optics and photonics. This retaining ring is designed to securely hold lens tubes with a thread of M19.5 x 0.5, ensuring optimal alignment and stability in optical systems.

Crafted from high-quality aluminum, this retaining ring is lightweight yet robust, making it an ideal choice for various applications. The ring features a black anodized finish, which not only enhances its aesthetic appeal but also provides improved resistance to wear and corrosion.

The SM19RR has a clear aperture of 16.3 mm, providing ample space for light transmission while minimizing vignetting. It is compatible with lens tubes such as AD19T/SM1AD19, making it a versatile component in your optical setup.

For more detailed information, including technical drawings and specifications, you can refer to the product page at https://www.thorlabs.com/thorproduct.cfm?partnumber=SM19RR. The ring is currently in stock, ensuring quick delivery and minimal downtime in your operations.