Category Archives: lens

New lensless technology

Toronto.  Even before 1839, optical houses created various lenses from glass for the apparatus of the day. After 1839, lens design and quality became the defining factor of camera quality. Most optical institutes such as Zeiss provided lenses to a … Continue reading

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Some Thoughts on Optical Institutions

Toronto.An optical institution was a German optical workshop turning out various optical devices and lenses. Other countries used other names. As cameras and binoculars and microscopes became popular,  brands like Zeiss, Zeiss-Ikon, Leitz, Ross, Bausch & Lomb, Rochester Optical, Kodak, … Continue reading

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Review of Book on 19th Century French Lenses

Toronto. I did this review for Bob Lansdale back on August 3rd, 2013. At the time, the author had sent the book to Bob for review and write up in the journal Photographic Canadiana. This the review I wrote at … Continue reading

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Book on 19th Century German Lenses

Toronto. Journal editor Bob Lansdale loaned me the second book in Corrado D’Agostini’s series on 19th Century Photographic Lenses. Both are sold in the US by Camerabooks.com. This book is posted as costing $109 USD plus shipping. The first book in 19th … Continue reading

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Remember the Wollensak Lenses for the Leica?

Toronto. PHSC Member George Dunbar sent me this April 1945 advertisement from Popular Photography. During WW2, Leitz NY continued to operate. One big problem: merchandise from Germany dried up. To solve one of the issues, Leitz NY manufactured lens mounts that … Continue reading

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Zeiss Anastigmat Series V Lens

Toronto. One of the very first lenses a young Paul Rudolph designed for Zeiss was its Anastigmat series. The series V is a super wide angle lens offering a 90 degree angle on a full plate (6.5 x 8.5 inches). … Continue reading

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Elmarit 28mm f/2.8 Wide Angle Lens

Toronto. A Toronto Star ad by Len MacNeil sent me off to Scarborough in quest of Leica M lenses. When I arrived, Len had sold most of his lenses but he had a beautiful 28mm Elmarit left. This lens was … Continue reading

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Hektor 2.8cm f/6.3 Leitz Screw Mount Lens

Toronto. On a sunny April day in 1982, I met Alex Thomas at a restaurant in North York. He had a few things to show me including this example of a 28mm Hektor wide angle lens for screw mount Leicas. … Continue reading

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Pierre Angenieux Paris R11 Lens

Toronto. As I mentioned a couple of days ago, I extended my Exakta Varex IIa camera with a 135m and a 28mm lens. I chose an Angenieux pre-set Retrofocus R11 lens for the 28mm as it focussed under 2 feet and … Continue reading

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Steinheil Optical Institute

Toronto. In the late 1950s I bought my first Exakta. Months later I wanted to expand the camera with added lenses. Naively, I felt 35mm and 90mm were too similar to my standard lens of 55mm so I opted for 28mm … Continue reading

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