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
Thorlabs manufactures the 390037-F, an unmounted Geltech aspheric lens featuring a focal length of 1.873 mm, a numerical aperture of 0.85, and an anti-reflective coating optimized for 8 to 12 µm. This component weighs 0.03 lbs each, with its lifecycle status available through current manufacturer documentation following its April 21, 2010 release date. 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 390037-F. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.