Fujifilm 35mm F2 Review
With a 12–24mm zoom lens, it’s the 12–16mm focal range. With 18–55mm, 18–70mm, 17–35mm, or 20–35mm lenses, you’ll only call on the 17–18mm range.
Bryan Peterson • Bryan Peterson's Understanding Photography Field Guide
An idea about not shooting everything on shallow depth of field. So why the bokeh is amazing, but also why you don't need to shoot everything with a shallow depth of field and the importance of visual cues comes in here too.
Zone focusing
ilfordphoto.com