Optics Articles
I wrote these articles in the last couple years and placed them into my blog. I have decided to move them
into their own space to make them easier to use. I was always a little annoyed by the way the blog ordered
them from new to old. Good for blogs, not so good for articles that come in a specific order. I wrote them in
the order that I felt would be most useful to read them in.
home
1: Refraction and Simple lenses
2: Basic image formation
3: Image/Working distance vs. magnification
4: Compound lenses
5: Lens focusing
6: The Principal planes
7: Interchangeable lenses
8: Basic SLR lens designs: Introduction
9: Basic SLR lens designs: Retrofocus
10: Basic SLR lens designs: Telephoto
11: Basic SLR lens designs: Symmetric
12: The Pupils - an Introduction
13: The Pupils - What kind of lens do I have?
14: Pupillary magnification
15: Lens f/number
16: The Position of the Pupils
17: Diffraction
18: The Airy disc and Resolution
19: The Aperture and Resolution
20: Effective aperture and the Exit pupil
21: Why aren't all macro lenses made with a P>1?
22: Numerical Aperture
23: The Effective Numerical Aperture
24: The Numerical Aperture - front to rear relationship
25: Depth of Field - Introduction
26: Depth of Field - Graphical
27: Depth of Field and the Aperture
28: Depth of Field - Macro Photography
29: Derivation if the Macro DOF equation
19a: The Aperture and Resolution - Graphical