Vintage Large Format Camera, Block Toys, Educational Toys, Camera Block Toys

The structure of the earliest camera is very simple, including only the dark box, lens and light-sensitive materials. Modern cameras are more complex, with lenses, aperture, shutter, rangefinder, framing, metering, losing film, counting, self-timer, focus, zoom and other systems, modern cameras are a combination of optics, precision machinery, electronics and chemistry and other technologies, complex products.