Tag Archives: coating

elementary, my dear Watson …

Posted on January 20, 2022 by Robert

Toronto. … as Sherlock Holmes was supposed to have said (but never did say in Conan Doyle’s stories). However; Holmes often said ‘elementary’ to his side kick, in his usually superior and snobbish way. And of course our photographic lenses … Continue reading →

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reflections

Posted on January 19, 2022 by Robert

Toronto. No, not the introspective kind you dream about on a cold winter’s day. I mean the kind that reduce image contrast and limit the number of lens elements used. At left I show two lenses for a film camera. … Continue reading →

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