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
Manufactured by Thorlabs, the AC508-200-C is an achromatic doublet featuring a focal length of 200.0 mm, a diameter of 2", and an antireflection coating for 1050 to 1700 nm. Released on October 23, 2003, this component was discontinued on July 11, 2023, and has been officially replaced by model ACT508-200-C. Submit a Request for Quote (RFQ) with the exact part number, quantity, and application requirements to receive pricing.
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 AC508-200-C. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.