Links

Coordinate Systems   - Details
Evans Engineering

Optics Sign Conventions   - Details
Wolfram Research

Optics Regimes   - Details
Wolfram Research

Optical Sine Theorem   - Details
Wolfram Research

Optical Sign   - Details
Wolfram Research

Rotation Sequences and Eular Angles   - Details
M.Lampton, Stellar Software

Auxilary Optical Axis   - Details
M.Lampton, Stellar Software

Geometrical Optics   - Details
U of Florida

Geometric Optics   - Details
University of Edinburgh in PDF

Geometrical Optics   - Details
A. Rapp, Friedrich-Chiller-Unversitat Jena, some in German