What is a medium focal length lens suitable for shooting?

There is a famous saying in the photography forum: "Any lens is suitable for shooting any subject"

As long as you know how to use a mid-focus lens, it has a wide range of uses. The characteristics of the mid-focus lens are:

The image field

is minimally deformed, the image is sharp, and the perspective feels comfortable. Very suitable for shooting

half-length

portraits

,

close-ups

,

Landscapes

, humanities

Short sketches

and so on. Especially

mid-focus

fixed-focus lenses

have the best image quality among all lenses.