Why doesn't the current lens taste like the old lens?

What is said downstairs is not entirely correct. Part of it is correct. Advanced technology reduces the lens difference, but the more important factor is the result of artificial design.

Modern lens design to reduce costs and increase production. A large number of synthetic resin materials are used. In addition, due to the requirements of digital photography, the resolution of the lens is improved. And the color can be used by computer PS. Therefore, the current lens imaging style is clear and thin, and the definition is extremely high. This is the so-called taste without the old lens.