43221 - Queen Elizabeth Sixth Form College

43221 - Queen Elizabeth Sixth Form College

Friday 19 November 2010

Shutter speed Write-up


Shutter speed can be used to allow light to enter the camera for a certain period of time. The longer the shutter is open, the more light enters the camera, the shorter the shutter is open for, the less light enters the camera. The shutter speed o most cameras can usually be set somewhere between 1/1000th of a second, and 30 seconds. The shutter can be used to make various effects. If it is a dark scene, you would use a slower shutter speed to try and get the photo exposed as best as you can. You can also use it to create motion blur. Motion blur is where you take a picture with a slower shutter speed, whilst panning, which creates a blurred background, giving the impression through the photograph, that the subject is moving. You can also speed up the shutter, which allows the subjects movement to be frozen in a position. You would use this when photographing a waterfall, or the sea, where the water is moving, and you wish to freeze it in a position without blur.


Here we can see that the subject is producing motion blur, due to the fact that the shutter isn't fast enough. This picture was taken at 1/30 of a second


Here, the image is has also got motion blur due to the shutter not being fast enough, this was also taken at 1/30 of a second.


As you can see this image is much better. it doesn't have any motion blur, but does a have a small problem with it being out of focus. this can be fixed by using manual focus. this picture was taken at 1/500 of a second.







These two images are also controlled using shutter speed. These two photographs were taken using the continuous shooting mode to get the right image, but were shot at 1/800 of a second.

 

Lighting - Side and Front Lighting

Side and front lighting is where the light falls on a particular part of the subject. Side lighting is where the light comes from the side of the subject. This can connotate darkness in the photo, as light is only falling on one side of the subject. Side lighting is good for photographing males, as it accents the jawline, do to where the light hits the subject.

Front lighting is where the light comes from in front of the subject and hits the front of the subject in the photograph. Depending on where the light comes from it produces different effects. if the light comes from above, it produces what is known as "butterfly lighting" this is because it makes a shape that is very similar to a butterfly under the nose. Front Lighting can also be called Glamor lighting. 

Front lighting is usually used to photograph females, as it produces more feminine features, it also softens the jawline and the check bones.

Here are some side and front lighting pictures that i have taken. In order to take these pictures i took a tripod, and used a friend of mines car headlights in order to create the side and front lighting. 

Side Lighting

As you can see, side lighting accents the jawline, and also emphasises the stubble on the bottom of the chin, and the more manly cheek bones. This image is a little bit under exposed, so i could do with increasing the ISO to allow more light into the camera.

Front Lighting
As you can see, Front lighting smooths out the jaw line a little bit, and also smooths out the chin, and the hair line. this image is slightly out of focus, to improve this i could use the manual focus feature, or decrease the aperture and increase the shutter speed.