Description
A damselfly head-on against a dark blue ground, gripping a blade of grass. Both compound eyes tack sharp, the facets visible across their whole curve, the blue and black thorax sharp behind them, right down to the dust on its back.
That sharpness is not one photograph. It is a focus stack — a series of frames, each focused a fraction deeper than the last, combined afterwards so that only the sharp slice of each one survives.
Here is why that is necessary, and it is the part people find surprising.
At macro magnification, depth of field collapses to almost nothing. Working at life size, the zone of acceptable sharpness can be a millimeter or less. A damselfly’s head is deeper than that. In a single frame you can have the near eye sharp or the far eye sharp, and the thorax behind them will be mush either way.
The obvious fix is to stop the aperture down, and it does not work. Past roughly f/11 or f/16 you run into diffraction — light bending around the edges of the shrinking aperture and smearing fine detail across the sensor. Keep closing down and you gain depth of field while losing the very detail you wanted it for. There is a ceiling, and macro work hits it immediately.
So instead you take twenty or thirty frames, shifting focus a hair between each, and let software pick the sharpest pixels from the whole set. What you end up with is an image no lens could have produced on its own.
The catch is that the subject cannot move. Not a twitch, for the whole sequence. Which is why this kind of photograph gets made in cool still air — early, before the sun is up properly — when a damselfly is torpid and will sit on its blade of grass and let you work. An hour later, warm and hunting, it would be gone before the second frame.
Which means the patience is the technique. The stacking is just arithmetic afterwards.
It is also the clearest look at the thing that defines the group. Those two eyes sit wide apart with a broad gap between them, and that gap is what makes this a damselfly rather than a dragonfly. Head-on and perfectly symmetrical, there is no mistaking it.
This is a high-resolution digital download of the photograph, made at Oaks Bottom Wildlife Refuge in Portland, Oregon — yours to print for your home or office, set as a wallpaper, or simply keep. This is the most technically demanding image in the collection and the one that rewards a large print most.
What you’ll receive: a high-resolution JPEG, approximately 2604 × 3040 pixels in portrait orientation — sharp enough to print at full photo quality up to about 8.5 × 10 inches at 300 DPI, and larger at normal wall viewing distances. Delivered as an instant download the moment your order is complete.
License: Personal use only. Print it for your own home, use it as a wallpaper or screen background, enjoy it yourself. Not licensed for commercial use, resale, redistribution, or AI training. © Jonathan Swanson / JonSwan Productions. All rights reserved.