f/8 and Be There: RF 28mm f/2.8 STM on the Street
The old instruction — f/8 and be there — predates autofocus and has survived it intact. The RF 28mm f/2.8 STM is the current Canon lens that most efficiently implements this philosophy. Small, sharp, negligible weight, and optically honest without aspiring to be a collector’s item. It is a working lens.
At f/8 on a full-frame sensor, the 28mm focal length delivers a depth of field that runs from roughly two meters to the horizon when focused at five to six meters. In daylight, that means you never rack focus. You walk, you observe, you fire. The image is sharp. The technique is your positioning relative to the subject, your read of the light, and your timing — not your autofocus speed or your aperture selection.
This matters because the camera experience collapses into pure observation when mechanical decisions are removed. You are not managing a tool anymore. You are managing geometry and time.
The RF 28mm STM is adapted from a design principle Canon has used across APS-C and full-frame compacts: make the lens so unassuming that it disappears from the interaction. On the R6 Mark II or RP, the combination produces a body about the depth of a thick paperback. In a street environment, it registers as a compact camera rather than a system camera. People respond differently to compact cameras. They respond differently to nothing at all, which is closer to what this setup approximates.
The exposure logic for daylight shooting: ISO 400, f/8, 1/500s. The Sunny 16 rule approximated for open shade. Set it manually, commit, and stop looking at the histogram until you are off the street. The R-series EVF shows you a live exposure simulation; use it to confirm the scene is reading correctly once, then ignore it.
The image you miss by looking at the screen is worth more than the technically imperfect frame you take without checking. f/8 makes that math work. The 28mm makes it work comfortably.