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Why am I getting pictures with curved edges edges

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Hi Ian
What you are suffering is something called barrel distortion which causes images to appear spherised or "inflated". Barrel distortion is associated with wide angle lenses and typically occurs at the wide end of a zoom lens. The use of converters often amplifies the effect. It is most visible in images with perfectly straight lines, especially when they are close to the edge of the image frame

the way to solve it is to try not use the end of the of the zoom of your lens. Above 20 mm you should be fine. If this is not possible then you can correct the effect in programmes like Photoshop

Hope this helps

Posted on May 19, 2014

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Posted on Jan 02, 2017

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