From the course: Photography Foundations: Exposure (part 1)
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Inside a camera
From the course: Photography Foundations: Exposure (part 1)
Inside a camera
- Your digital camera is a marvel of 21st century engineering. But if you could somehow strip away all of the automatic features that are there to make it easier to use, autofocus, light metering, the LCD screen, the electronic shutter control, all the rest of that stuff, if you could get rid of all that, you'd still be left with a functional camera because at the most fundamental level, camera technology has not changed since the 1850s. All cameras are built on the same fundamental chassis, a lightproof box with a hole in the side. One of the earliest such devices was the camera obscura, a darkened room with a hole in one wall. Because of the physics of light, any scene outside the room gets projected through the hole and is shown upside down on the wall opposite the hole. You don't have to do anything, that just happens. Of course, the camera's no good without a way of recording an image. And with the camera obscura, this was pretty easy. You just stuck a Dutch master in the room…
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