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 355660 is an unmounted, uncoated aspheric lens featuring a 3.0 mm focal length, a numerical aperture of 0.52, a 1.6 mm working distance, and a design wavelength of 1550 nm. Released on November 25, 2020, each unit has a package weight of 0.09 lbs, with lifecycle status subject to current manufacturer documentation. Submit the exact part number, quantity, and application requirements for a quote.
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 355660. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.