
Leica’s first 21mm ultra-wide-angle lens was manufactured by Schneider of Germany. This 21mm is the famous leica super angulon 21mm f/3.4.
Eating lens
It is generally believed that the Schneider lens eats light, which means that it will not be overexposed. At the same time, Schneider’s design is often accompanied by dark corners and dark parts.
Schneider Tradition
The 21mm f4 and 21mm f3.4 Super Angron designed by Schneider for Leica are such “eating light” philosophy. Including large-format lenses is also this tradition, and is loved by experienced users.

A philosophy different from Leica
Leica lenses are good at showing details in low light and natural grayscale. Leica is not as good as Schneider in controlling the highlight overflow.
High contrast unlike any other
Generally speaking, a high-contrast lens takes two extremes, the highlight is very bright, and the dark light is very dark. However, leica super angulon 21mm f/3.4 is that the highlights are not very bright, and the dark areas are dark enough.
Continue reading Eating light lens —— Leica eica super angulon 21mm f/3.4