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any panoramic experts out there?
i have took this shot here of a Spanish villa (part of a set for the owner)
i took 9 shots, 3 sets of 3 exposure compensated,
i am happy with the look of the shot, and the hdr feel (the customer wanted this look)
my question is, is there a way of taking this shot without getting the foreground distortion? (the glass wall is straight not bent)
the camera was set up on a correct nodal point,
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I am not a panno expert, but a friend of mine does this stuff every day as part of his job.
He says that he uses a 50mm prime for minimal distortion and in portrait orientation to allow more room to crop top and bottom, this of course requires more frames to cover the scene. He also uses a panno head, but as you mentioned the nodal point, I assume you have used one anyway.
Quote: the nodal point
Essential in serious panoramic work.
Having derived the Nodal point - and taking Simon's very valid input - the first step before ANY post-production work is to correct for any lens-related barrel and pin-cushion distortions. THIS is a first-class tool for making the necessary corrections before moving onto post-production. Try it. (I'm a very happy customer and not associated with the Company or product in a professional sense in any way)
Things close to the camera will always be distorted in a stitched panorama. It is a result of mapping a curved view onto a flat surface.
Quote: Things close to the camera will always be distorted in a stitched panorama. It is a result of mapping a curved view onto a flat surface.
Indeed - which is why a rectangular atlas of the world often shows Greenland as being almost the same size as Africa, even though it's tiny by comparison.
As has been said above, you need to do various bits of work to the images to try and combat this.
This distortion may be due to using an extreme w/a lens. As Simon says above, would be better to use something nearer to a standard focal length & take more shots in portrait format.
Soon as I saw the shot and read you'd used a 10-20 them were my thoughts too..likewise agree with the 50mm idea and lots of portrait held overlaps..
thanks for the replies, i will look at using a longer focal length, i presume the 50mm is on a full frame? about 30mm on my 40-d?
Quote: i presume the 50mm is on a full frame? about 30mm on my 40-d?
Nope. That's the wrong way round. The 50mm on a 40D will have a multiplication of 1.6 making it an equivalent of an 80mm lens.
Wrong! 30mm on a 40D is 48mm.
Steve said he was looking at using a 50mm lens. This will definitely be the equivalent of an 80mm lens IF used on a 40D body.
I use a Nikon 35mm lens on a crop camera for visual impact assessment panoramas - has to be pretty exact! Using the prime also has the happy side effect that it's impossible to accidentally shift the focal length whilst shooting your panorama.
Quote: Steve said he was looking at using a 50mm lens. This will definitely be the equivalent of an 80mm lens IF used on a 40D body.
No, read it again. He asked if a 30mm on his 40D was the equivalent of a 50mm on full frame.
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