Other articles on lenses

This page summaries JAPB’s articles that are related to lenses, but are neither related to lens mounts or are lens reviews.

JAPB Series on lens defects
Introduction:
Part I: Oily blades [Pekka Buttler, May 2020]
Part II: Fungus [Pekka Buttler, June 2020]
Part III: Haze [Pekka Buttler, June 2020]
Part IV: Element separation [Pekka Buttler, June 2020]
Part V: Control ring malfunction [Pekka Buttler, June 2020]
Part VI: Lens surface defects [Pekka Buttler, June 2020]
Part VII: Dust & debris inside lens [Pekka Buttler, July 2020]
Part VIII: Miscellaneous defects [Pekka Buttler, July 2020]

The quick lens test [Pekka Buttler, September 2020]

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