NEED DICTATES USE
By MICHAEL PERKINS
I TEND TO LOOK MOST KINDLY ON THOSE LENSES that will perform the widest variety of tasks. Over time, photography can easily experience what the military call mission creep, with equipment escalating in both cost and complexity as the hobby sinks its roots into the bedrock of our little shooter’s souls. This can contribute to an ever-escalating array of specialized tools, or what I call more and more of things that do less and less. Over the decades, my aching back and wounded wallet have conspired to make me seek out optics that can handle macro, landscape, street and portrait work all by themselves, shrinking the number of instances in which I have to switch to hyper-dedicated gizmos, thus increasing how much I lug about with me. That said (don’t you hate sentences that begin this way?), there are times when you need a scalpel instead of a Swiss army knife.
A fisheye is the textbook example of an over-specialized lens, a hunk of glass that delivers a very distinctive, very controversial view of the world. To some, they are the gateway to innovation, to viewpoints beyond the power of the human eye. To others, they’re a gimmicky abomination. They’re really just ultra wide-angles that take in such a vast view (anywhere from 120 to 180 degrees or even wider) that they literally bend the field of vision, encompassing shots within an actual circle in full-frame cameras or what’s called a diagonal fisheye in cropped sensors. In both cases, the shot features dark vignettes at the corners in images where proportions are nearly normal at the center, then increasingly bowed-out closer to the edge of the shot. They are still in the minority as far as general lens use is concerned for a variety of reasons, including the rarity of cases in which they can be truly appropriate or effective, the heinous cost of the good ones, and the heinous artifacts in the cheap ones.
I happened to have lucked out with a fisheye that is fairly crisp and free of chroma flaring at f/16 or smaller, although the accompanying need for increased ISO bears watching. I shoot on a crop, so I don’t worry about maintaining the “encircled” look since I can’t get it anyway, allowing me to crop to wherever the frame is strongest. In the “before” shot of a strange but huge art installation at Phoenix’ Desert Botanical Garden (see above), you see what a standard 18mm wide-angle will do. Given that I had very limited space either behind or above me, there was no way to back up in order to include the entire scene, and so, out came the fisheye, shooting at about 12mm and taking in a 160mm field of view (see below).
Now, standing in exactly the same place, I could see where the “yellow wave” of straw-like fibers originated at the far end of the shot, while the distortion factor in the lens gave the flow of straws a kind of “S” curve as it made its way to the foreground. Other considerations: super-wides exaggerate the distance between front and back, making the whole installation seem more vast than it was in reality; and also, by keeping most of the crucial action in the center, I kept the image’s most radical distortion (like on the footbridge at upper left) confined to the outer edge of the composition.
Would I, for this shot, have resorted to the fisheye except out of desperation? Unlikely. It is not a “go to” tool in any real way, since like all gimmick glass tends to pull attention away from the subject and toward itself. However, even though I love to head out with “one lens to rule them all”, I find, like any good sawbones, that I will, occasionally, need that scalpel.