Lens

Espresso Ricoh GR III coffee
ERIC KIM NECK STRAP x RICOH GR III

I have theorized and practiced much when it comes to equipment for street photography.

These are my beliefs:

This is what I discovered about focal length and lenses for street photography:

For street portraits, it seems that 28mm is the widest limit. At 24mm and 21mm, the lens is simply too wide.

If you can only have one lens in your arsenal (the zen of one camera, one lens), I would recommend:

For example, some lens recommendations based on camera brands: