Teach You Culture on Instagram: "This is how old cameras worked 📷🕰️ Before sensors and screens, photography relied on pure mechanics and chemistry. Light entered through a lens, passed a shutter, and exposed light-sensitive film inside the camera. That film chemically reacted to light, capturing a moment that wouldn’t be seen until it was developed in a darkroom. No instant preview — just patience, precision, and trust in the process. Simple technology, timeless results. This video is for educ