How A Camera 's Aperture Determines The Amount Of Light Reaching The Retina

How A Camera 's Aperture Determines The Amount Of Light Reaching The Retina

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The iris’s aptitude to control the amount of light reaching the retina is reminiscent of how a camera’s aperture determines the same effect. While the tolerance for light is quantifiable by a aperture range, allowing the camera to “see” in a mechanical sense. That is not seeing, the ability to observe an image also revolves around understanding the rays of light that are entering the retina. These rays contain cascades of colour and tone that differentiate every beam of lights against another, culminating in a flurry of pixels that form a vision. Ackerman’s argument that seeing involves more than just allowing the iris to take in the light like a camera would, is represented in our everyday interaction with images.
The sensations that come from the act of just seeing, blur the lines of our five sense to achieve a certain euphoria at witnessing the beauty of mere sight. Case in point, the knowledge argument makes the example of Mary, a women sitting in a black and white room. The whole world devoid of colour, but she knows everything about it in a analytical sense. She has observed the outside world from a black and white monitor. One day she is released and experiences the awe of the sky, it’s vast colour looming over her. Something that all of her studies could not help describe. (Torin, 2013) The analogy lends to the idea that the two versions of Mary (the one inside the room and the one outside) are two different representations at the idea of sight. Mary inside the room represents the camera or a certain machinery approach to quantifying sights by gamma and aperture.
We are Mary outside the room, who experience the concept of colour by creating a correlation from spacial distribution of the colour blue against the sky. These...


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...contain a certain understanding of sensations, that help emphasize the properties of the ability sight brings. We can say view colour to differentiate which colour is which, but the vastness of the blue sky can’t be described to help understand colour in our sight. You can also note it in a modern sociological perspective, where our understanding of say our social image can help influence how we take in images of say ourselves. Our perspective to capture a specific moment is similar to a mirror but one that we can record and modify. You can also make relations between aspects of the image, wether it’s detail or use of shape, colour, form to understand it’s historical and or allegorical context. The act of seeing isn’t just restrictive to just allowing light inside your eyes, but to actually experiencing every beam of light for each detail, colour and story it holds.

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