Tag Archives: lenses

the progress of filmless …

Posted on March 30, 2026 by Robert

Toronto. In mid 2001, member George Dunbar downed his copyright interests and investigated what was to become the digital revolution. George wrote his article titled, “The Progress of Filmless …” for publication in issue 27-2 of the journal. Many of … Continue reading →

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its a digital time after all …

Posted on March 29, 2026 by Robert

Toronto. In the fall of 2001 we recognized the potential impact of digital technology with the devotion of almost all of issue 27-2 to this new technology. Probably to the surprise of many folk today, the initial impact was digital … Continue reading →

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I can see you clearly now …

Posted on March 26, 2026 by Robert

Toronto. Leitz marketed this long base rangefinder in 1923 – before the Leica as announced. Earlier, Leitz made much larger rangefinders for specialized uses where precision distance measurement was critical. After the original Leica cameras were marketed (fixed lens, viewfinder … Continue reading →

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time to talk of many things …

Posted on March 25, 2026 by Robert

Toronto. … of SLRs and TLRs and whether pigs have wings (with apologies to Lewis Carroll). In an earlier post, I noted the introduction of film stopped the use of ground glass in the focal plane to frame and focus … Continue reading →

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before auto focus II

Posted on March 24, 2026 by Robert

Toronto. In the late 1800s when film came along, a simple swapping of media/ground glass in the camera was no longer an option. Initially box camera designs were used with fixed lenses of small apertures/large f-stops allowing everything from 6-10 … Continue reading →

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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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open wide, wider

Posted on March 22, 2026 by Robert

Toronto. As a camera collector, old lenses have always been an interest – especially wide angle lenses such as the Protar at left or the Pantoscop by Emil Busch. The traditional ‘portrait’ lens is a medium Telephoto. The focal length … Continue reading →

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not so far, far, away

Posted on March 21, 2026 by Robert

Toronto. I took this shot a couple of decades ago at our Fair in 2006. Along with cameras, I collected lenses, books, brochures, etc, that offered information on the history of photography. I imagine other camera collectors collect lenses too, … Continue reading →

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another use for paper …

Posted on March 20, 2026 by Robert

Toronto. The idea of roll film revitalized the use of sensitized paper (negatives). In fact various roll film mechanisms were developed to use the medium in cameras. An example is the Warnerke Roll Film Holder. Editor Robert Lansdale wrote about … Continue reading →

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a DAR mystery train

Posted on March 19, 2026 by Robert

Toronto. Collectors of old images sometimes concentrate on transportation photos, or have a subset of their collection comprising of transportation/train photos. Here is a mystery you perhaps can solve. Jeff Ward in Halifax dropped me a line the other day … Continue reading →

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