When I googled parallax error a lot of information comes about the rangefinder cameras' viewfinders' parallax error. I also googled "parallax error panorama" but a few information comes. Now I want to know that 'is this the parallax error?'

enter image description here

(this-the grid on floor is distorted...)

I also want to know how it happens...

  • 2
    As Inkista comented that is not a parallax error. Take a look at this photo.stackexchange.com/questions/63919/… The title is not the same, but explains what is this parallax error.
    – Rafael
    Aug 6, 2016 at 20:29
  • @Rafael Regarding to the question you've linked, is it the 180 degree rule that has mentioned by the 3rd para on the first answer? Or is it (the lightpole thing) the same as what is mentioned on the second answer (with the diagram)?
    – user152435
    Aug 6, 2016 at 21:17
  • Parallax? Nope. There is also no distortion on the "floor" of this panorama shot. Zero, none, zilch, nada, non, aucune; but, there is something else happening here. Scroll down.
    – Stan
    Aug 6, 2016 at 23:27
  • 1
    There is no 180°rule. The lightpole is an example but misalignment happens every time if you do not use the nodal center, yes we are talking about the same in that question.
    – Rafael
    Aug 7, 2016 at 2:47

2 Answers 2


No, that is not parallax error, that's remapping distortion and is perfectly normal for a panorama that wide. When you have an image on a flat plane, you can't actually get more than a 90º field of view, without some distortion. When you do scene coverage that's wider than that, then the image has to be remapped to a flat plane from the spherical view. That generally results in curved lines.

You can change the curvature of the lines by changing the output projection type (e.g., from cylindrical to Pannini). However, some simple stitcher packages don't allow you much choice between projections. And no matter what projection you choose, that curvature will still be there to some degree.

Parallax is something different. To quote from Wikipedia:

Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.

Wikimedia image demonstrating parallax

In the case of a rangefinder camera, the difference in viewpoint between the viewfinder and the lens you use to take the image introduces parallax so what you see through the viewfinder may not be the image you get through the taking lens. That difference is relatively minimal for farther distances, but becomes much more major when used at close distances.

When shooting a panorama, if you rotate the lens around a point other than its no-parallax point, you've essentially moved the lens between member shots and created parallax. Parallax error means you get breaks in lines in a stitched panorama where the shifting viewpoint put the line in a different relative position between shots.

See also:

  • 1
    See also my cool answer here: photo.stackexchange.com/questions/63919/… Xo) My diagrams are pretty.
    – Rafael
    Aug 6, 2016 at 19:00
  • 1
    @Rafael No. :) I still disagree with you on more-coverage-fixing-parallax error. Also, you do know the OP probably never saw your comment, because you put it on my answer and I got the notification. Why not comment on the question instead?
    – inkista
    Aug 6, 2016 at 20:21

We've known about this effect and been manipulating it for years.

This is a good example of perspective, specifically, spherical perspective.

Here's a good explanation using diagrams that would be difficult to illustrate using only photography. It is not parallax. It is a curvilinear effect caused by your perception of the panorama image.


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