Shooting at 1/4000 and Still Missing
A hummingbird wing beats around fifty times a second. Freezing it is less about shutter speed than about accepting how many frames you are going to throw away.
The arithmetic is unkind. At roughly fifty beats per second, a wing travels its full arc in ten milliseconds. A shutter at 1/4000 catches a quarter of a millisecond of that — sharp, in principle.
In practice the wing is sharp and the eye is not, because the bird moved.
What actually helped
Not the shutter speed. Three other things:
- Pre-focus on the feeder, not the bird. The bird comes to a known point.
- Flash at low power. The flash duration, not the shutter, becomes the effective exposure time — and a small flash at 1/16 power fires in about a twentieth of the time the shutter is open.
- Shoot far more than feels reasonable. My keeper rate is roughly one in two hundred.
That third one took longest to accept. It felt like failure until I understood it as the actual method.
The frame I keep coming back to
Not the sharpest one. A slightly soft frame where the bird is looking straight down the lens, wings blurred into a haze, hibiscus completely out of focus behind it.
Technically the worst of the set. It is the only one anyone has ever asked about.
Tags
- technique
- birds