History of Photography
It’s been a while since I wrote a history article and two or three people seemed to like them. Since I’m one of those two or three people, and it’s my blog, I figured it was about time to do another one. I’ve pretty much covered the development of early cameras and lenses so it’s […]
History of Photography
I had a fun surprise today. We were cleaning a couple of old Petzval lenses, getting them ready to show off at Imaging USA next week. One of our Darlot lens from circa 1870 or so gave us quite a surprise.
History of Photography
In my last article I listed the three most important developments in photography. Then someone pointed out that I’d made an error. I mean, I may have misspoken. Wait, I mean I was less correct than I might have been. I listed the invention of the camera first (that part is pretty hard to argue […]
History of Photography
For those who missed all the excitement, in Part 1 of this series I discussed that almost all modern SLR lenses derive from one of 6 types of lenses that were basically in use by the 1920s. Part 1 covered the first three lenses: the Symmetrical, Double Gauss, and Petzval lenses. Those three lenses give […]
History of Photography
In which I begin to answer the question “Why Do You Put the Lens Diagrams on Your Website?” Where do new lens designs come from? I knew that today’s lenses are all designed using computer programs, but I was surprised to find new lenses aren’t designed from scratch. Designers start with an existing lens design […]
