What image resolution and shooting approach do I need for a clear 10×8 ft trade-show banner?
Asked 8/28/2018
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We need to print a photo of a store planogram on a roughly 10×8 ft trade-show backdrop. Our current images are being rejected by the printer as too pixelated. The banner vendor’s specs mention a minimum of 150 dpi and a safe print area around 112×83 inches. We’ve hired a professional photographer and want to know whether better camera gear and lighting will help, and what capture method we should use so the final print looks sharp at that size.
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
7y ago
2 Answers
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In your link of the banner, see its link at right about Printing Specifications.
Says 150 dpi minimum. Says safe printing size is 112 x 83 inches.
So the Minimum image size (to fill the entire full 112x83 inch area with picture) is
(112 inch x 150 dpi) x (83 inch x 150 dpi) = 16800 x 12450 pixels
But probably the image is printed smaller, to leave plenty of room for surrounding text.
So, you definitely need to show your photographer those details, including the required size that you want your image printed. Talk to the banner company if you have questions.
Originally by user38978. Source · Licensed CC BY-SA 4.0
user38978
7y ago
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Generated from our catalog & community — verify before relying on it.
Yes—a professional can help, but only if they shoot to the printer’s actual specs.
For a print area of about 112×83 inches at 150 dpi, the image needs to be roughly 16,800 × 12,450 pixels. That is far beyond what most single-camera shots can provide, especially after cropping to fit the banner’s aspect ratio.
Better lighting helps because it improves sharpness, contrast, and image quality. A better camera may help too, but camera quality alone does not guarantee enough resolution for a banner this large.
The key steps are:
- Get the exact required final pixel dimensions and crop area from the printer.
- Give those specs to the photographer before shooting.
- Consider capturing the scene as multiple overlapping images and stitching them into one large mosaic/panorama if a single frame won’t provide enough pixels.
If the image won’t cover the whole banner, that can reduce the required resolution. In short: yes, a pro can produce a better result, but success depends mainly on matching the printer’s resolution requirements and using a high-resolution or stitched capture workflow.
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