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Perspective distortion

Panasonic has developed an innovative new way to correct distortion and tilt from single photos

Dec 8, 2022 by John Aldred Add Comment
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Fixing distortion and tilt is a tricky problem. It was solved back in the large format days by having lens boards and film backs that could tilt, shift and move around in all kinds of directions. And while tilt-shift lenses are available for modern cameras, the one thing they can’t fix is lens distortion – particularly from things like fisheye lenses. Of course, such distortion can be fixed in software using manual tweaks or custom lens profiles. But figuring it out automatically?

For software to figure out how to correct such distortion usually takes multiple images so the software can “learn” the characteristics of a lens. But according to Nikkei, Panasonic has developed a new technology that seems to be able to do it from just a single image. Right now, it’s still in the testing stages while they determine if the method can be practically implemented.

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The definitive guide to focal length, perspective, and why “zooming with your feet” is nonsense

Jan 2, 2018 by John Aldred 21 Comments
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Perspective distortion seems to be one of the most confusing topics in photography. There are all kinds of erroneous “facts” about it. Like focal length being that which distorts your subject, and not the distance to the subject. Well, this video from This Place puts that myth well and truly to rest and also illustrates why “zooming with your feet” is the dumbest phrase in photography.

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Udi Tirosh: from diyphotography.netUdi Tirosh is an entrepreneur, photography inventor, journalist, educator, and writer based in Israel. With over 25 years of experience in the photo-video industry, Udi has built and sold several photography-related brands. Udi has a double degree in mass media communications and computer science.

Alex Baker: from diyphotography.netAlex Baker is a portrait and lifestyle driven photographer based in Valencia, Spain. She works on a range of projects from commercial to fine art and has had work featured in publications such as The Daily Mail, Conde Nast Traveller and El Mundo, and has exhibited work across Europe

David Williams: from diyphotography.netDave Williams is an accomplished travel photographer, writer, and best-selling author from the UK. He is also a photography educator and published Aurora expert. Dave has traveled extensively in recent years, capturing stunning images from around the world in a modified van. His work has been featured in various publications and he has worked with notable brands such as Skoda, EE, Boeing, Huawei, Microsoft, BMW, Conde Nast, Electronic Arts, Discovery, BBC, The Guardian, ESPN, NBC, and many others.

John Aldred: from diyphotography.netJohn Aldred is a photographer with over 20 years of experience in the portrait and commercial worlds. He is based in Scotland and has been an early adopter - and occasional beta tester - of almost every digital imaging technology in that time. As well as his creative visual work, John uses 3D printing, electronics and programming to create his own photography and filmmaking tools and consults for a number of brands across the industry.

Dunja Djudjic: from diyphotography.netDunja Djudjic is a multi-talented artist based in Novi Sad, Serbia. With 15 years of experience as a photographer, she specializes in capturing the beauty of nature, travel, and fine art. In addition to her photography, Dunja also expresses her creativity through writing, embroidery, and jewelry making.

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