The SM2 Ring-Actuated Iris Diaphragm, with a catalog number SM2D25D, is a high-quality optical component manufactured by Thorlabs, a leading brand in the field of optics. This iris diaphragm is designed for use with SM2 lens tubes, offering versatility and compatibility with a wide range of optical systems.
Crafted from aluminum and boasting a black anodized finish, this iris diaphragm is not only durable but also aesthetically pleasing. The black anodized finish helps reduce unwanted reflections, making it an ideal choice for applications that require high contrast and minimal stray light.
The SM2D25D features a ring-actuated design, allowing for precise and easy control over the aperture size. The iris diaphragm can be adjusted from 1 mm to 25 mm, providing a wide range of options to suit various optical requirements. This adjustability makes it a versatile tool for managing light intensity and depth of field in your optical setup.
For more detailed information, including technical specifications and purchasing options, you can refer to the official Thorlabs product page at https://www.thorlabs.com/thorproduct.cfm?partnumber=SM2D25D. Additionally, a Step file (SM2D25D-Step) is available, which can be useful for integrating this component into your optical design software.