Description
STMICROELECTRONICS ULN2801A Bipolar Transistor Array, Darlington, NPN, 50 V, 2.25 W, 500 mA, 1000 hFE, DIP Hoodman HCP UPC: 077068415718 UPC: 077068415718 Special Low Dispersion Glass Elements Three SLD (Special Low Dispersion) glass elements have been incorporated within the lens design to correct for axial chromatic aberration throughout the entire focusing range