Tag Archives: Harvard

a letter of recommendation

Posted on October 3, 2022 by Robert

Toronto. Have you ever noticed that others imitate successful processes? For decades in the first half of last century, camera makers used to tout how reliable their models were by printing  ‘letters’ from organizations that pushed them to the max. … Continue reading →

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a new meaning to coated lenses

Posted on November 26, 2018 by Robert

Toronto. Mid last century science perfected a lens coating that improved the contrast of lens designs allowing even more elements to further correct lenses,  paving the way for the complex zoom lenses commonplace today. And now modern coating technology has … Continue reading →

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