Online Photography School Big Apple Institute Of Pictures
The first modern photoflash bulb or flashbulb was invented by Austrian Paul Vierkotter. Vierkotter used magnesium-coated wire in an evacuated glass globe. The magnesium-coated wire was quickly changed by aluminum foil in oxygen. In 1930, the first commercially available photoflash bulb, the Vacublitz, was patented by German Johannes Ostermeier. General Electric also developed a flashbulb known as the Sashalite around the identical time. German scientist Johann Heinrich Schulze conducted the first experiments with photo-sensitive chemical substances in 1727, proving that silver salts were sensitive to gentle.
Imagine a photographer who makes a speciality of capturing urban landscapes using high-contrast black…