Enter the lens redshift: 0.5
Enter the source redshift: 2.0
Enter the source radius (in km): 1.5e+10
Enter the effective source velocity (in km/s): 600.0
Enter the Hubble constant (in km/s/Mpc): 75.0
Enter the Omega_matter: 0.3

Angular diameter distance of the lens: 1175.1 Mpc
Angular diameter distance of the source: 1611.5 Mpc
Microlensing crossing time 316.5 days