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 LA1387-AB is an N-BK7 plano-convex lens featuring a 1.5-inch diameter, a 100 mm focal length, and an antireflection coating optimized for the 400 to 1100 nm wavelength range. Each unit weighs 0.07 lbs and has a release date of May 15, 2023, with lifecycle status subject to current manufacturer documentation. Submit the exact part number, quantity, and application requirements to request a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Thorlabs references — within one business day.
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 LA1387-AB. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.