The autofocus system of the OM-1 is one of the most capable in the micro four thirds world – and also one of the most configurable. This guide series walks you through every key aspect: from understanding the basic AF modes to advanced customisation and AI-powered subject recognition. Whether you’re shooting birds in flight, mammals on safari, or anything that moves fast – this series gives you the tools to get the shot.
Part 1: The Basics
The ideal starting point if you’re new to the OM-1 autofocus system. This article covers the fundamental AF modes, what they do, and when to use which one.
Part 2: Switching Between S-AF and C-AF
Single AF or Continuous AF – when does it make sense to switch between modes, and how do you do it quickly in the field? This article shows you how to set up the OM-1 for fast mode switching without missing the shot.
Part 3: C-AF vs C-AF+TR – What’s the Difference?
C-AF tracks a subject as long as it stays in the AF field. C-AF+TR goes further and follows the subject across the entire frame. This article explains when each mode delivers better results – and why C-AF+TR isn’t always the right choice.
→ Autofocus Guide OM-1 – Differences between C-AF and C-AF+TR
Part 4: The AF Limiter
The AF Limiter restricts the focus range to a defined distance window. A simple setting that can dramatically reduce misfocused shots when shooting through obstacles like grass, branches, or fences.
Part 5: AF Customisation
The OM-1 offers extensive options to customise the AF behaviour to your shooting style. This article covers the most important settings in the AF menu – and what they actually change in practice.
Part 6: Combining AF Fields with Spot Metering
A little-known trick: you can link the active AF field to the spot metering point. This gives you precise exposure control directly tied to your focus point – useful for backlit subjects and high-contrast scenes.
Part 7: Combining AF and MF
Sometimes autofocus gets you close – but a small manual correction makes the difference. This article shows how to combine AF and MF on the OM-1 without losing your focus point or switching modes entirely.
Bonus: AI Subject Detection
The OM-1’s AI detection automatically recognises and tracks animals, birds, motorsport vehicles, aeroplanes, and trains. This article explains how the detection works, which subjects are supported, and how to get the best results in the field.
