Your Real Handheld Shutter Speed Limit
The old focal-length rule is only a starting point; a short, repeatable test shows how slow your own hands, lens and sensor can really go.
SBy Sofia Vasseur · 2 November 2026 · 6 min read
The old focal-length rule is only a starting point; a short, repeatable test shows how slow your own hands, lens and sensor can really go.
Low-angle light lasts longer the farther you are from the equator, and public sun tables let you map its exact start, end and direction for any date.