Shutter Speed is one of the most important setting on a digital camera - in this case I am talking about a DSLR. It is one of the famous trio settings i.e. Aperture, ISO and Shutter.
It is the property of the camera (body) that controls the time duration for which the light enters through the lens onto the sensor. It is represented in seconds or fraction of seconds i.e. 1sec, 1/2sec, 1/4, 1/8 and so on. Keeping other settings (i.e. Aperture and ISO) unchanged, different shutter speeds can produce different different output images when the object is non-stationary.
Most of the digital cameras and dslrs have a Shutter Priority (or Tv) mode on it which is used when you want to control the speed of the shutter while your camera controls all other settings based on what shutter speed you choose. A good example of using Shutter Priority mode is when you are shooting kids who are constantly moving/playing and generally do not stay in the same pose for long enough to be captured. Even if they do then most of the pics come out blurry because they like to move just on the last moment when you press the shutter on the camera :-).
A fast shutter speed freezes the moving object and hence produces a sharper image (based on the shutter speed). Last weekend I tested the same in an attempt to understand and experience how it comes out. Below are three different images that were captured at different Shutter speeds with different output. This may not be good quality photos as I was actually helping a friend to understand the affect of shutter speed therefore just took these rather randomly without much attention to overall composition of the image.
Image 1:
Running water from the Tap:
I deliberately opened the tap only a bit to get an appropriate flow of water as shown here in this image.
Camera has following settings:
Tv (Shutter Speed): 1/50
Av (Aperture Value): f/16
ISO: 400
Image 2:
Water dripping from the Tap
In this photo, notice the affect of a faster shutter speed on the output. The running water looks like dripping only i.e. the movement of the water was slowed by the faster shutter speed.
Camera has following settings:
Manual Exposure:
Tv (Shutter Speed): 1/320
Av (Aperture Value): f/16
ISO: 2500
Image 3:
Water leaking from the Tap
Notice the affect of an even faster shutter. It now looks as water drops are being leaked from the lose tap. The fast shutter speed has frozen the movement (of running water) and made it look like a drop of water. Note closely there are at least 3 water drops in this photo.
Camera has following settings:
Manual Exposure:
Tv (Shutter Speed): 1/640
Av (Aperture Value): f/16
ISO: 3200
The ISO settings were different on all these photos as well (just ignore that bit as that is not our topic today). There is lot more for me to learn and try out still and I have different ideas that I want to try with different settings.
I will post more about shutter speed effect in later posts only after when I’ve had tried the different settings/variations of Tv values.
Happy Learning !!!
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