Tag Archives: sensor

caution, curves ahead.

Toronto. Traditional lens elements (before aspheric surfaces became economical) were all slices of a sphere making curvature of field common. Some added elements resolved this aberration to give a flat field at the film/sensor plane. Some cameras use a curved … Continue reading

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click, clack, clunk

Toronto. The most important part of any single lens reflex (SLR) camera design is its mirror box. This amazing idea allows the rays from the subject, through the lens, redirected, and focussed on a ground glass at full aperture. With … Continue reading

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it doesn’t matter anymore

Toronto. In the early days of digital photography, the size of the sensor was very important. The larger the sensor, the lower the noise and the higher the sensitivity. This led to compact digital cameras and then digital SLR cameras … Continue reading

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Alice is at it again

Toronto. After film’s popularity surged in 1880 with the famous Kodak camera, the race was on to increase its detail (resolution) and speed. By the time film faded from popular use, both resolution and speed had increased significantly. A friend … Continue reading

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That Film Plane Thing Again

Toronto. Well over a half century ago a young Latvian designed the amazing Minox spy camera. For a time, some models used a novel idea to add to the lens correction – the film plane was slightly curved along its longer … Continue reading

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250 Megapixels anyone?

Toronto. Russ Forfar, owner of Kominek Camera Repair, sent me an email mentioning that Canon has announced a monster 250 megapixel sensor this month as reported on the AIP Scitation web site last week. This sensor is a smallish size APS-H … Continue reading

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