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Does this photo have a fish eye effect
Apr 17, 2014 22:08:41 #
I would appreciate help understanding how this happened, I was photographing NYC from Liberty State Park, some photo's look like I used a fish eye lens, the flag pole is leaning, which I don't think in person it is. I would like to know why this happened. My camera is a D7100 with an 18-300 lens. ~Thanks
Apr 17, 2014 22:20:51 #
Looks like a bit of pincushion distortion to me. And a little bit of tilting horizon.
Apr 17, 2014 22:22:32 #
You can tell by the direction the flag is going that the wind is from the right. Probably bending the pole.
Kidding.
I would bet you tilted the camera up just a bit and that will cause this effect.
Kidding.
I would bet you tilted the camera up just a bit and that will cause this effect.
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Apr 17, 2014 22:30:38 #
Apr 17, 2014 22:39:48 #
Thanks for the info. Do you have a suggestion on how I can not have this happen again, or what I can do to correct this image? Is this a characteristic of shooting landscapes with a crop sensor camera, or is it a characteristic of a zoom lens?
Apr 18, 2014 00:10:41 #
If you have this problem often, you may want to buy software to correct it. I just purchased PTLens for $25 and it helps with some of my wide angle shots of interiors. The new lens I just bought, a Rokinon 14 MM, is known for some pretty bad distortion in tight places and it was impossible to correct in photoshop.
The distortion in your photos would be pretty easy to fix in photoshop or other editing programs.
The distortion in your photos would be pretty easy to fix in photoshop or other editing programs.
Apr 18, 2014 10:42:59 #
Kevin.M wrote:
Thanks for the info. Do you have a suggestion on how I can not have this happen again, or what I can do to correct this image? Is this a characteristic of shooting landscapes with a crop sensor camera, or is it a characteristic of a zoom lens?
If you tilt a lens upward (let's ignore the Tilt/Shift lens) this will always happen. The wider the focal length the more obvious this becomes.
Easy to fix in Photoshop or many processing programs.
Go to Edit>Transform>Perspective and pull out the top corner to straighten the verticals.
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Apr 18, 2014 11:24:37 #
Kevin.M wrote:
I would appreciate help understanding how this happened, I was photographing NYC from Liberty State Park, some photo's look like I used a fish eye lens, the flag pole is leaning, which I don't think in person it is. I would like to know why this happened. My camera is a D7100 with an 18-300 lens. ~Thanks
Depending on the focal length you used, it could be a bit of wide angle effect. I can see a very slight bit of pin cushion effect, as well as the more notable "leaning" on the righthand side of the photo. The shorter focal length one uses, having the camera level, both with the horizon as well as along the axis of the lens, becomes increasingly more important.
--Bob
Apr 18, 2014 13:41:08 #
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