M42.5 x 0.5 Retaining Ring - SM42RR

The M42.5 x 0.5 Retaining Ring, catalog number SM42RR, is a precision-engineered component from Thorlabs, a leading brand in the field of optics and photonics. This retaining ring is designed for use with lens tubes, specifically the SM2AD42 model, and is an essential accessory for mounting and securing optical components within a system.

Crafted from high-quality aluminum, the SM42RR boasts a black anodized finish, providing not only a sleek aesthetic but also enhancing durability and resistance to wear and tear. The ring has a circular optical shape, with a thickness of 2.5 millimeters, ensuring a secure fit while minimizing any potential vignetting.

The SM42RR features an M42.5 x 0.5 thread, a metric measurement that is common in optical systems. This thread compatibility allows for easy integration with a wide range of optical components and systems. The clear aperture of the ring is 39.5 millimeters, providing ample space for light transmission while maintaining structural integrity.

In addition to its practical uses, the SM42RR is also a versatile component. It can be used in various applications, from research and development to industrial and commercial settings. Its compatibility with the SM2AD42 lens tube makes it an ideal choice for users seeking a reliable and secure method of mounting optical components.

For more technical details, including a 3D model, users can refer to the SM42RR-Step file provided. The weblink to the product page on Thorlabs' official website is also included, ensuring users have access to the most up-to-date and comprehensive information about the product.