Tag Archives: ground glass

before auto-focus – I

Posted on March 23, 2026 by Robert

Toronto. Before auto focus came along, photographers needed to both frame and focus the subject as well as decide on the best exposure (shutter speed/lens aperture/lighting). With the digital technology of today, many folks don’t even think about focussing. For … Continue reading →

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a photographer’s magnifier

Posted on October 18, 2021 by Robert

Toronto. Anyone wanting to see a magnified view of a small object would likely use a simple magnifying glass – just like Sherlock Holmes in the many Conan Doyle stories. Predating photography, a projector (magic lantern) projected an enlarged view … Continue reading →

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