M38 x 0.5 Retaining Ring - SM38RR

The M38 x 0.5 Retaining Ring, model SM38RR, is a precision-engineered component from Thorlabs, a leading brand in the field of optical hardware. This retaining ring is designed for use with lens tubes, specifically the SM2A20/WFA4111 model, and is an essential accessory for mounting and securing optical elements within a system.

Crafted from high-quality aluminum, the SM38RR boasts a black anodized finish, providing not only a sleek aesthetic but also enhanced durability and resistance to wear and tear. The ring has a thickness of 2.5 millimeters, ensuring a secure fit while minimizing any potential vignetting.

The SM38RR features a metric M38 x 0.5 thread, a common standard in optical systems, providing compatibility with a wide range of optical components. The clear aperture of the ring is 34.9 millimeters, offering ample space for accommodating various optical elements.

This retaining ring is part of Thorlabs' extensive catalog of optical hardware, and users can find more information, including technical specifications and purchasing options, on the Thorlabs website. The SM38RR is currently in stock, ensuring quick and reliable delivery for your optical system needs.