👉 Darkrooms are optical systems used for photo processing. They consist of a light source and a darkroom apparatus that converts light into an image, similar to a digital camera. The light source is typically a tungsten filament or LED, which is then passed through a filter that blocks some wavelengths of light, such as red and blue, to produce an image. The darkroom apparatus includes a plate that can be lit by the filter and contains a negative filter (usually glass) on one side and a
