The THORLABS ID8/M is a mounted standard iris designed for use with a TR75/M post, offering an ø8.0 mm maximum aperture. This iris is crafted from aluminum and features a black anodized finish, providing durability and resistance to wear. The iris diaphragm has a minimum size of 0.7 mm and a maximum size of 8 mm, allowing for precise control over the aperture. The ID8/M is compatible with M4 post mounting screws, ensuring a secure and stable installation. The item's parameters include a type of 'Mount Accessories', a sub type of 'Irises/Apertures', and a brand of 'Thorlabs'. The catalog number is 'ID8/M', and it has a metric measurement system. The item's web link provides further information and availability status.