Gravitational lens
distribution of matter between a distant light source and a observer
Huchra's lens
Abell 2218
Abell 2029
Corona Borealis Cluster
weak gravitational lensing
Abell S1077
MACS0416.1-2403
Abell 2597
Abell 2061
Abell 2067
Abell 671
bullet cluster
Abell 1033
Abell 400
Phoenix Cluster
Virgo Cluster
Abell 2199
Abell 370
Abell S1063
Abell 1835
Abell 1689
Abell 2142
Abell 262
Abell 3266
Abell 901
Abell 520
Abell 13
MACS J0717.5+3745
Abell 133
Abell 1413
Abell 1991
Abell 1795
Abell 2163
Abell 223
Abell 222
Abell 2261
Abell 2390
Abell 2147
Abell 478
Abell 665
Abell 907
Abell 2744
Abell 383
Abell 754
Shapley 20 Cluster (Abell 3128)
Hydra Cluster
Fornax Cluster
RX J1347.5-1145
strong gravitational lensing
El Gordo