29th
March
2004
Lenses | Blur, Focus, Bokeh, Aperatures and f-Stops
“Do you still have nagging questions in your mind about lenses, aperatures and exposure? Are you confused about circles of confusion? You might be surprised to discover that even many published textbooks present misleadingly kooky information on the subject of basic lens optics. Would you like to have a more intuitive grasp of how a lens works?”