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 AC508-200-A is a discontinued f = 200 mm, Ø2" achromatic doublet featuring an antireflection coating for the 400 to 700 nm spectral range, originally released on November 10, 2009, and officially superseded by the ACT508-200-A model on December 24, 2020. This optical component maintained an open web presentation throughout its active lifecycle. Submit the exact part number, quantity, and application requirements to request a formal quote for remaining availability.
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-A. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.