Respuesta :
In 1847, Sergei designed a bellows camera which significantly improved the process of focusing. This adaptation influenced the design of cameras for decades and is still found in use today in some professional cameras.
Answer: Count Sergei Lvovich Levitsky invented bellows camera.
Explanation: Count Sergei Lvovich Levitsky was a Russian inventor who lived during the 19th century and greatly contributed to the world of photography. In 1847, he invented a bellows camera which allowed to improve the process of focusing and inspired the design of other cameras. Moreover, He was awarded a gold medal in 1849 for his landscape photography and another gold medal for his portraits in 1851.