Starting the Salamander Optics Blog.
Salamander, an engineer with a background in optical design, will be putting together careful notes to help you get the most out of your lenses.
The F-Number, Fully Explained: What Changes with Each Stop?
A little soft wide open, sharper stopped down — but what exactly changes, at which stop, and by how much? Tracing it one stop at a time from f/1.4, with lens data from published patents.
How to Read MTF Curves — A Complete Guide, and How Optical Engineers Enjoy Them
How far can the character of a lens be read from the MTF curves in a catalogue? Down to reading between the lines — the part found in neither textbooks nor reviews — set out in full by an engineer with a background in optical design.
Reading Coating Colours — A Glimpse Into Lens Design
Lens coatings come in all sorts of colours. Look closely and you can catch sight of the choices a designer made.
What Is an f-number? — For Newcomers
What is the "2.8" in f/2.8? Starting from the ratio between focal length and effective aperture, taken slowly.
New articles, as they go up
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