Major site updates — revised and new articles (free)

Out with the old, in with the new! I’ve revamped and updated the free content area, and I’ve added some major new sections as well.

View the articles index page for free content on this site. New or revised areas of note include the following:

• Zeiss ZF/ZE lens pages
• Leica M lens pages
• Filters
• Understanding optics
• Subjective lens qualities
• Photo tips and Ask Lloyd
• Diffraction, focusing issues, depth of field
• Recommended stuff
• More!