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 LJ1328L1-B is an N-BK7 plano-convex cylindrical lens featuring a focal length of 20.01 mm, height of 15.00 mm, and length of 17.0 mm, released on October 13, 2000. This optical component includes an antireflection coating optimized for the 650-1050 nm wavelength range and has a package weight of 0.05 lbs per unit, with the lifecycle status available in 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 LJ1328L1-B. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.