Project 5: panning with different shutter speeds

Take pictures using panning technique with different shutter speeds and compare the results.

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(Shutter speed: 1/250 sec, Aperture f/5.6, Focal length: 120mm, ISO 200)

(Shutter speed: 1/125 sec, Aperture f/5.6, Focal length: 120mm, ISO 200)

(Shutter speed: 1/60 sec, Aperture f/5.6, Focal length: 120mm, ISO 200)

(Shutter speed: 1/40 sec, Aperture f/9, Focal length: 120mm, ISO 200)

(Shutter speed: 1/30 sec, Aperture f/8, Focal length: 120mm, ISO 200)

(Shutter speed: 1/15 sec, Aperture f/14, Focal length: 120mm, ISO 200)

(Shutter speed: 1/20 sec, Aperture f/22, Focal length: 120mm, ISO 200)

Although it depends on the actual speed of the bike, the sense of speed wouldn't normally be expressed at the shutter speed faster than 1/40 second. However, I found it difficult to get sharp image with the shutter speed slower than 1/15 second. Therefore, the shutter speed somewhere between 1/15 to 1/60 second would be best to get a sharp image with the sense of movement.

I actually prefer the last photograph, which was taken with the shutter speed at 1/20 second. The bike is not entirely sharp, but the most important part of this photograph, i.e. the face and upper body of the cyclist, is relatively sharp, which makes me comfortable to look at and the blurred image of the bike and the background increases the sense of speed.