How to Print Beach Banners from iPhone Snapshots

▤ Summary

As banners that large typically would be observed at a distance of four feet (slightly more than a meter) or more, then a resolution of 72 dpi should be enough – refer to our article on calculating resolutions for prints for the exact formula. To put things into perspective, an iPhone 8 is able to capture 12 megapixels using its back-facing camera. Don’t try to upscale it naively on your photo-editing app, which usually uses either bicubic interpolation or Lanzcos resampling. Fortunately Bigger Picture can enhance images up to 8x without making it blurry. Simply load the image into Bigger Picture at and enter the desired pixel dimensions like the following screenshot.

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