E-37-423 20mm Dia., 0.80 Numerical Aperture, Uncoated, Precision Aspheric Lens subcatego E-49369 25mm Dia
Baker’s notes & crumb story
Description
E 37 423 20mm Dia., 0.80 Numerical Aperture, Uncoated, Precision Aspheric Lens subcatego E 49369 25mm Dia E 49369 25mm Dia like the FRM220 CH20