Lens types
----------
.. autoclass:: glow.lenses.Psi_SIS
    :show-inheritance:
    :members:
    :undoc-members:
.. autoclass:: glow.lenses.Psi_CIS
    :show-inheritance:
    :members:
    :undoc-members:
.. autoclass:: glow.lenses.Psi_PointLens
    :show-inheritance:
    :members:
    :undoc-members:
.. autoclass:: glow.lenses.Psi_Ball
    :show-inheritance:
    :members:
    :undoc-members:
.. autoclass:: glow.lenses.Psi_NFW
    :show-inheritance:
    :members:
    :undoc-members:
.. autoclass:: glow.lenses.Psi_tSIS
    :show-inheritance:
    :members:
    :undoc-members:
.. autoclass:: glow.lenses.Psi_eSIS
    :show-inheritance:
    :members:
    :undoc-members:
.. autoclass:: glow.lenses.Psi_Ext
    :show-inheritance:
    :members:
    :undoc-members: