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 350390-A is an unmounted Geltech aspheric lens featuring a focal length of 2.75 mm, a numerical aperture of 0.65, and an antireflective coating specified for the 400–600 nm wavelength range. Released on May 31, 2000, this component has reached discontinued lifecycle status and is officially succeeded by replacement model 355390-A. Submit your exact part number, quantity, and application requirements to request a quote for available inventory.
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 350390-A. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.