Sign convention for lens
52691
Sign convention in optics
38712
Diffraction by a lens
101300
What to look for in a wide angle lens?
52161
Square bracket notation for anti-symmetric part of a tensor
11996
How do I find the right size of filters for a lens?
1032
What is the reference point that the focal length of a lens is calculated from?
6598
How to calculate the correct focal length needed for a subject of a given size and distance?
121745
Different style of permille sign
107952
Do different lenses affect noise level?
21744
Focal length of an ellipse and related results
73826
Interior product (contraction) symbol
126380
Filled \Diamond-product sign
129287
What is the correspondence symbol with a hat or wedge over equals?
62822
How can lens cause consistent front or back focus?
57449
TikZ: How to make a convex lens
148069
Different Sum signs
15762
Are \( and \) preferable to dollar signs for math mode?