Thorlabs AC127-075-B-ML 1/2" OD Achromatic Doublet 650-1050nm

Thorlabs AC127-075-B-ML 1/2" OD Achromatic Doublet 650-1050nm.

AC127-075-B-ML - f=75 mm, Ø1/2" Achromatic Doublet, SM05-Threaded Mount, ARC: 650-1050 nm