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 AL50100G-A is a Ø50.0 mm diffraction-limited N-BK7 aspheric lens featuring a focal length of 100.0 mm and a numerical aperture of 0.20. This optic is designed for a design wavelength of 532 nm and includes an antireflective coating for the 350 to 700 nm spectral range, with a package weight of 0.16 lbs per unit. Submit the exact part number, quantity, and application requirements to receive a quote for this component.
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 AL50100G-A. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.