Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Thorlabs
The Thorlabs ACL2520U-DG15 is an uncoated, Ø25 mm aspheric condenser lens featuring a focal length of 20.1 mm, a numerical aperture of 0.60, and a 1500 grit integrated diffuser. Each unit has a package weight of 0.08 lbs and was released on July 16, 2015. This component is currently in stock overseas, with lifecycle status subject to current manufacturer documentation. Please submit the exact part number, quantity, and application requirements to request a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Thorlabs references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Thorlabs ACL2520U-DG15. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.