M43.5 x 0.5 Retaining Ring - SM43RR

The SM43RR is a lens tube mount, specifically a retaining ring, designed for use with optical components. Manufactured by Thorlabs, a leading brand in the field of optics, this retaining ring is made from aluminum, ensuring durability and lightweight properties. The ring is black anodized, providing a sleek finish and added protection against wear and tear.

The SM43RR is compatible with the SM2AD43 lens tube, making it a versatile accessory for various optical setups. It has a clear aperture of 40.5, offering a substantial area for light transmission. The ring features an M43.5 x 0.5 thread, providing a secure and stable connection to the compatible lens tube.

This retaining ring is part of the Mount Accessories category in the Thorlabs catalog, specifically under the Lens Tube Mount subcategory. It is available for purchase directly from the Thorlabs website, where you can find more detailed specifications and technical drawings.