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
Manufactured by Thorlabs, the 370890-Q is an unmounted Geltech lens featuring an f=1.80 mm focal length and a 0.30 numerical aperture with an antireflection coating specified for 1300-1700 nm. Originally released on December 14, 2005, this component is part of a product line that has since been discontinued. 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 370890-Q. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.