Why I Shoot in Aperture Priority Mode: Staying Ready for the Perfect Moment
- Stephen Doherty
- May 25
- 2 min read
As a photographer, timing is everything. Whether I’m capturing a fleeting expression during a portrait session or chasing that perfect light during golden hour, I need to be ready—always. That’s why I rely on Aperture Priority mode (A or Av) for most of my photography.
What Is Aperture Priority?
Aperture Priority is a semi-automatic shooting mode where you set the aperture (f-stop), and your camera automatically chooses the shutter speed based on the available light. It’s the best of both worlds: creative control with the speed and flexibility of automation.
Why Aperture Matters
Your aperture setting controls depth of field, which is a fancy way of saying how much of your image is in focus. A wide aperture (like f/1.8 or f/2.8) gives you that beautiful background blur (bokeh) and brings attention to your subject. A narrower aperture (like f/8 or f/11) keeps more of the scene in focus—great for group shots or landscapes.
For me, shooting in Aperture Priority means I can:
Quickly adapt to changing conditions without fumbling through full manual settings.
Choose the look I want—shallow depth of field for portraits or deep focus for scenes.
Stay focused on composition and connection rather than constantly adjusting settings.
Moments Don’t Wait
The truth is, life moves fast. Kids laugh, eyes sparkle, people interact naturally—then it’s gone. Aperture Priority lets me keep my finger on the shutter and my attention on the moment, not my exposure triangle.
Of course, I keep an eye on shutter speed and ISO, adjusting exposure compensation when needed. But knowing my depth of field is dialed in gives me the confidence to shoot quickly and intentionally.
A Few Tips for Shooting in Aperture Priority
Watch your shutter speed: If it gets too slow, especially in low light, you risk blur. Either raise your ISO or widen your aperture.
Use exposure compensation: If your image looks too dark or bright, use +/- exposure comp to fine-tune without leaving the mode.
Know your lens sweet spot: Some lenses are sharpest around f/5.6 to f/8, but don’t be afraid to go wide open if the moment calls for it.
Final Thoughts
Aperture Priority isn’t just a shortcut—it’s a powerful tool. It helps me stay present, prepared, and focused on what really matters: capturing meaningful, authentic moments. Because at the end of the day, the perfect shot doesn’t wait. And neither should you.


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