Tagged: shutter

workshop assignment 4 – exposure and shutter speed

In session four we looked at shutter speed as a component of exposure and using shutter speed creatively. Before we get into the assignment for this session I want to revisit the discussion on exposure and ISO and to introduce exposure compensation and histograms. Exposure and ISO We have learned that exposure value (Ev) is ... Read more


workshop session 4 – shutter speed and motion

This is the fourth session in the Introduction to Digital Photography; the workshop met February 24. The topics for session four are: shutter speed, exposure compensation, and histograms Shutter Speed Like aperture, shutter speed has two aspects to come to terms with: shutter speed as a component of exposure, and shutter speed as a creative ... Read more


workshop session 2 – framework

The second session of the Introduction to Digital Photography workshop met January 27. As we reviewed Assignment one, it became clear that the image quality and image size wasn’t always obvious on the surface. Only after zooming deeply into an image could we begin to see the image degradation and artifacts symptomatic of  lower-quality JPEG ... Read more


50-135mm telephoto zoom

I have been using a 20 year old film-type 35-105mm ƒ3.5-4.5 macro/zoom that my sister lent me just after I bought my K20D camera. This was one of the prime reasons I bought a Pentax … I can use lenses made for older (sometimes much older) Pentax film cameras. This lens was only made from ... Read more



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