SM4 Retaining Ring for ø4" Mounts

The SM4 Retaining Ring for ø4" Mounts, with the catalog number SM4RR, is a lens tube mount designed for use with ø4" mounts. Manufactured by Thorlabs, a leading company in the field of optical components, this retaining ring is made of aluminum and features a black anodized finish for durability and aesthetic appeal.

The SM4RR has a thickness of 3.3 mm and a clear aperture of 96.8 mm, providing a substantial area for light transmission. It is compatible with lens tubes of the LMR4/(LMR4/M) type, making it a versatile accessory for various optical setups.

The retaining ring features an SM4 thread, which is a common thread size in optical systems. This threading allows for secure and easy attachment to compatible components. The SM4RR is part of Thorlabs' extensive catalog of optical components, which are known for their quality, precision, and reliability.

For more detailed information, including technical drawings and specifications, you can refer to the SM4RR-Step file and the product's webpage. The webpage also provides information on the product's availability and pricing.