Oh, yes, depth of field. Now I remember.

ISO 250, F 1.8 with an 85mm 1.8D, at 140th.

This shot of an audio engineer is certainly no masterwork but I'll draw your attention the board and how it blurs gently. I can definitely get (re) used to this.

For the pixel peepers amongst you, here's a crop of the panel with no retouch.

No corrections.

Clearly, at 1.8, we're getting some green fringing but it's trivial in this case and easily handled by stock tools. Still, my venerable 1.8D has served me well over the years and I'll tolerate no slander against it.

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Or 21.