Overview
1. Looking at Light
2. The Play of Light
Looking at Light
Light is constantly being generated, transmitted and reflected by objects in our surroundings which allows the eye to capture images and allows cameras to record footage of the world around us.
Vidi
This can distinguish between the concept of looking, seeing and observing.
Looking - where we arrange what our eye sees before us
Seeing - this is where we receive energy from light and convert it into nerve impusles
Observing - where the nerve impulses are analysed, interpreted and classified in terms of objects.
The sun will change the appearance of all objects as it each time of day will project a different 'mood' through the changing colours throughout the day. Just before dawn the sky could appear orange or yellow as the sun is beginning to rise. During the morning the skies will be a bright blue colour instead of the orange colour of dawn. As mid-day appears a 'white' light will appear as the sun is at its highest point. Finally twilight has much deeper shades and the shadows cast will be much bigger than previous times of the day.
The way light affects the world around us can be put down to three concepts that are direction, colour and contrast. The nature of these three concepts can be altered and changed depending on the light that is reflecting off them or being absorbed onto them.
Direction
Direction is the first out of three concepts. There are three types of lighting that can affect an object.
Front Lighting - This occurs when the source of light is located behind the object leaving the object without front facing shadows. An example would be the sun shining on the face of a mountain.
Side Lighting - This will create long shadows which give the object a greater sense of shape, depth and dimension. An example would be a lamp shining to the left of a cup of tea casting a shadow to the right.
Back Lighting - This final concept will give the object the most dramatic composition of shadows. The light source will be behind the object casting the shadow. An example would be someone standing infront of a car headlight as their shadow would be cast infront of them.
Contrast
An image that has a high contrast will be very intense. Each colour will have sharp and precise edges and will be rich and vibrant in tone.
Incidentally low contrast will be opposite. The tones of each colour will blend easier and the edges of each colour will merge together. This creates a easier transition between light and dark areas.
source - the lecture slides
Colours
Colours have a way of impacting the mood of a picture. So if we see a picture with a lot of a certain colour our brain will process this.
Yellow creates a happy mood and has a upbeat and cheerful visual message.
source - http://www.artnova.si/sola_fotografije_fotografije/langOLite59.jpg
Red is a colour that creates a romantic and warm visual message.
source - http://www.artnova.si/sola_fotografije_fotografije/langOLite58.jpg
Browns and greens are often linked with earth and nature as plants and forests are teeming with these relaxing colours.
source - http://www.artnova.si/sola_fotografije_fotografije/langOLite60.jpg
Blues will create a calming and tranquil theme as blue is associated with the sea and is a cool colour.
source - http://www.artnova.si/sola_fotografije_fotografije/langOLite57.jpg
Colourise
Colourising an image will change the aspects of each colour in the image. It will change the mood and feeling of the image as a whole. An example of this change is shown below.
source - the lecture slides
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