Today, we learnt about focal lengths in types of lenses. The focal length found in lenses is the
distance (in millimetres) between how sharp the subject is from the lens to the
image sensor. By using different types of lens this can affect how much of the
subject the lens can take in, as it determines the angle of view. You can find
the focal length of any lens on its barrel. Different lenses have different
focal lengths, which can give different angles of view and can effect the
perspective of the image.
To do this exercise, it is important to keep the composition the exact same as you zoom out the lens and also taking steps back. By doing this, the subject is the exact same, but the background begins to come in closer or ‘compresses’; which then changes the perspective of the image.