M17.5 x 0.5 Retaining Ring for ø17 mm Lens Mounts

The M17.5 x 0.5 Retaining Ring for ø17 mm Lens Mounts, catalog number SM17RR, is a mount accessory from Thorlabs, a leading manufacturer in the field of optical components. This retaining ring is designed for use with ø17 mm lens mounts, specifically compatible with the AD17T/SM1AD17 lens tubes.

Crafted from aluminum, a lightweight yet robust material, this retaining ring ensures secure mounting while adding minimal weight to your setup. The ring features a black anodized finish, providing not only a sleek aesthetic but also enhanced durability and resistance to wear and tear.

The SM17RR has a clear aperture of 14.5 mm, offering a substantial area for light transmission while minimizing vignetting. The ring is threaded with M17.5 x 0.5, a common thread size in optical systems, providing versatility in integration with various optical components.

For those working in metric systems, this retaining ring is a perfect fit, as it is measured in millimeters. The SM17RR is part of Thorlabs' extensive catalog, and you can find more information, including technical drawings and specifications, on their official website.