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 355587 is an unmounted aspheric lens featuring an f of 0.6 mm, numerical aperture of 0.50/0.11, working distance of 0.3/2.9 mm, design wavelength of 1550 nm, and an uncoated optical surface. Released on January 29, 2025, each unit has a package weight of 16.28 lbs, with lifecycle status subject to current manufacturer documentation. Submit the exact part number, quantity, and application requirements to request 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 355587. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.