Abstract
1
Introduction
2
History of Gravitational Lensing
3
Basics of Gravitational Lensing
3.1
Lens Equation
3.2
Einstein Radius
3.3
Critical Surface Mass ...
3.4
Image Positions and ...
3.5
(Non-)Singular Isothermal Sphere ...
3.6
Lens Mapping
3.7
Time delay and ...
4
Lensing Phenomena
4.1
Multiply-imaged quasars
4.2
Quasar microlensing
4.3
Einstein rings
4.4
Giant luminous arcs ...
4.5
Weak/statistical lensing
4.6
Cosmological aspects of ...
4.7
Galactic microlensing
5
Future Gravitational Lensing
6
Acknowledgements
References