Category Archives: Technology

Understanding exposure in digital photography (Part 2)

As discussed in part 1 of the blog on exposure in digital photography I feel the widely used “bucket” analogy does not explain the ISO setting clearly. We will here via three figures gradually expand the object bucket to use “watering the … Continue reading

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Understanding exposure in digital photography (part 1)

To write with light i.e. photography, sufficient light energy (photons) must reach the sensor. As the light can vary e.g. outdoors or indoors, cloudy or sunny day, sunrise & sunset, or midday one, must be able to adjust the camera settings to … Continue reading

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Getting blogging site up takes patience and lots of friendly help

The decision to start a photographic site has had many intellectual repercussions. Through my work,  I had previously developed an  interest in the role of computers in teaching medicine. But this really only amounted to the use of art and simple input … Continue reading

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