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 C350TME-C is a mounted Geltech aspheric lens featuring a 4.5 mm focal length, a 0.42 numerical aperture, and an anti-reflective coating specified for 1050 to 1620 nm. Originally released on March 7, 2008, this discontinued component has been officially superseded by model C350TMD-C. Although stock is no longer maintained, this part remains available through special order. 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 C350TME-C. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.