How to panoramic photography
How to panoramic photography
How to panoramic photography
Your fi rst attempt at a panoramic may result in an image only a mother could love the component images do not "stitch" together well, a bit of wide-angle distortion may create a slightly warped look, and the sky may have some unusual dark areas. But you will be so elated with the fi nal product, that these issues can be overlookedthat is, until you pull off a really good one.
Here are some tips that should be helpful for any photographer, from an informal shooter who just wants to put together a panoramic view of a vacation site, to the very serious photographer who wants the image's construction to be transparent and fl awless.
Use a tripod. This can help keep the camera on a true horizontal axis, allowing greater accuracy of the stitching. This also allows the camera to swing on a tighter axis. A bubble level or a self-leveling tripod can be of immense help to keep the line of the horizon so that the image doesn't "drop" down, which is caused by the camera not being level.
1. Don't shoot wide angle. Th is is one of the most common errors photographers make. The distortion of the wide-angle lens makes for an uneven and distorted horizon line. Use a minimal lens length of 35 to 50mm.
2. Think about shooting vertical. Th is provides more depth to the image, and it lets you shoot just a few more frames to complete the breadth of that panoramic image.
3. As you move the camera across the scene, be sure to allow a 15 to 25 percent overlap of each image. This provides a "fudge factor" that allows the software to combine the images without encountering gaps where the images are not quite wide enough.
4. To help the stitching process, and to make sure that each image is perfect in terms of joining its neighbor, learn about the nodal point of your particular lens.
Here's a fairly easy way to determine the nodal point:
Step 1 : Mount the camera on a tripod that has been leveled.
Step 2 : Looking through the camera, find something vertical in the frame that is close to the tripod (within 4 to 15 feet). Also, find a second ver tical component in the background, at a greater distance than the upfront reference point. These two ver ticals (telephone poles, fence poles, or buildings) should be almost lined up, with very little space between.
Step 3 : As you rotate the camera, watch how the perspective on these two ver tical poles changes. It will start out pretty close, and as you swing the camera around, the distance between them will change.
Step 4 : Using a nodal point head, move the camera back and for th on the rig while looking at that scene, until those two vertical poles maintain their perspective throughout the arc of movement.
Step 5 : Lock down the rail, and you have established the nodal point for that par ticular lens perspective. You can then star t photographing the different images that will make up this panoramic image, knowing that the overlap of images will be smoother and more consistent.
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