Digital Photography and Imaging / Week 5
1st May 2023 / Week 5
Digital Photography and Imaging
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PRACTICAL
Digital Photography and Imaging
Iman binti Kamarudin / 0364014
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LECTURE
Exposure Setting
In photography, exposure refers to the amount of light which reaches your
camera sensor.
Figure 1.1 - Exposure
Shutter speed and aperture adjust the luminous exposure of an image. Camera
ISO affects the brightness of your image.
Figure 1.2 - Exposure Triangle
1. Iris
Controls the flow of light entering the lens. It's measured by f-stop. Ex.
f/1, f/8, f/16. The lower the number, the larger the lens opening.
Figure 1.3 - f/stop Settings
2. Shutter Speed
Small plastic that opens and closes to allow or prevent light from reaching
the film. It's measured by seconds. Ex. 1/1000s, 1/500s, 1/25s.
Figure 1.4 - Shutter Speed ex. 1
Figure 1.5 - Shutter speed ex. 2
3. ISO
Refers to the sensitivity of the camera's sensor. The common settings are:
100, 200, 400 etc. The lower the ISO, the less sensitive your camera is light
and the finer the grain.
Figure 1.6 - ISO settings
Lens Perspective
Appropriate lens provides the desired framing, lens choice affects angle of
view. Different lens are designed for different purposes and can be
categorised by focal length.
1. Focal Length
The shorter the focal length, the wider the view.
2. Depth of Field
The proportion of image that is sharp and in focus. The smaller the aperture
you use, the greater the depth of field.
Figure 1.7 - Depth of Field
Wide angle lens are ideal for fitting a large area into your frame and are
especially useful for landscape or street photography.
Standard lens offer a fairly accurate representation of what the human eye
sees, both in terms of visual angle and perspective. Images created by
standard lens are considered more natural than using an other type of lens
Tele lens are useful for isolating a subject that is far away.
Figure 1.8 - Camera Lens
TUTORIAL
Figure 1.1 - Cut out Shazam
Figure 1.2 - Place Shazam in the mansion
Figure 1.3 - Apply match colour to Shazam
Figure 1.4 - Add shadows
Figure 1.5 - Add reflection, adjust hue/saturation & add ripple effect
Figure 1.1 - Full body cutout
Figure 1.2 - Add cut out into mansion
Figure 1.3 - Add shadows
Figure 1.4 - Add reflection, adjust hue/saturation & ripple effect
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