This is a used Thorlabs H45CN 45-degree optical mount designed for holding Ø2-inch (50.8 mm) optical components like lenses or filters. It is a practical accessory for constructing or modifying optical beam paths in laboratory, research, or educational settings. The mount provides a fixed 45-degree angle, useful for directing light beams in experiments or instrumentation. Free shipping is available for this pre-owned item. As it is sold in used condition, buyers should review the listing for any specific details regarding wear or functionality. It is a suitable component for engineers, researchers, or students needing to mount standard 2-inch optics at a precise angle within an optical system. Thorlabs H45CN - 45° Mount for Ø2" Optics. Condition: Used. Listed at 30.00 USD. Thorlabs H45CN - 45° Mount for Ø2" Optics . Condition is Used. Shipped with USPS Ground Advantage.