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For portrait orientation, adjust size entries appropriately. Photo 01 - 5 megapixel standard format photo (1944x2592 pixels) Photo 01 - 8x10 photo enlargement with photo cropping: Photo 02 - 8x10 photo enlargement with photo cropping: Article: The finest quality photo prints from digital photos will day after day be obtained by printing the original image as captured by the digital camera. This means printing the file with the image pixels unaltered, or without any image resampling. Pixel resampling rebuilds the certain image data through software manipulation, resulting in a degraded image quality. The greater the degree of resampling, the greater the loss in original image quality. Photo enlargement of a digital photo can be performed without any original file resampling. The match of enlargement possible depends on the original resolution, or pixel dimensions of the photo, how large the photo needs to be printed, and the processing software and printing system used. In this minutia I will nod this issue considering use of only an image editing software such as Photoshop, and standard printer output as a typical desktop or medium format printer adjusted of print sizes ranging from 8x10 up to 12x18. All digital cameras make an arrest images in a format oversized from standard print or frame sizes. This is to harden for future photo cropping to nest egg or fine tune the final photo, and be judicious for possible adjustments to errors made when framing the photo sooner capture. To produce standard print or frame sizes, any digital photo will need to be cropped and there are two primal image formats with digital cameras.
Most 'point and shoot' digital cameras produce an image with a 4:3 set ration. We consider this image format the 'standard format digital camera' print size. Most SLR digital cameras produce an image with a 3:2 iterative ration. We consider this image format the 'wide format digital camera' print size. These two different image formats vary considerably in the full image, uncropped image sizes default from the camera. The following link is a blueprint that illustrates the size differences of these formats at various print size ranges. There is a simple method you can utilize to produce photo enlargement and photo cropping to standard print sizes using your image editing software. For this example I will be using Photoshop CS for the methodology, when with any quality image editing software, the steps will be similar. I will process a 5 megapixel, standard format digital astigmatic lens photo with a pixel resolution of 1944x2592 and an 8 megapixel, wide format digital prism photo with a pixel resolution of 2336x3504. Photo enlargement and photo cropping will be to the standard print sizes of 8x10, 11x14 and 12x18 to illustrate the process.
Both photo examples underneath are with the photo in landscape orientation, or the image long side stuff horizontal. For portrait orientation, box in size entries appropriately.
Photo 01 - 5 megapixel standard format photo (1944x2592 pixels)
Photo 01 - 8x10 photo enlargement with photo cropping:
Photo 02 - 8x10 photo enlargement with photo cropping:
Photo 01 - 11x14 photo enlargement with photo cropping:
Photo 02 - 11x14 photo enlargement with photo cropping:
Photo 01 - 12x18 photo enlargement with photo cropping:
Photo 02 - 12x18 photo enlargement no photo cropping needed: With the photo enlargement and photo cropping finished, the next step is to print the processed images. Most people have heard that you may need a dpi of 300 to print photos with satisfactory quality. This may or may not be necessarily true depending on your particular printer and printer driver software. What I would recommend doing is to try a little experimenting here. As said previously, the best photo print quality will come with the least step of image resampling to jostle image resolution or size. First, I would try printing the enlargements at the final resolution in the examples above. If you are not satisfied with the results, only then I would ballooning the input file resolution. Many experts extort an input resolution of needle 200 - 300 dpi should be sufficient. I would start at the low end of 200 dpi and resample the file to this number to keep the degree of resampling as low as possible.
To resample in Photoshop CS: Try printing at all events and see if this is enough resolution to produce a quality print. You can continue attempting different input resolutions by resampling the photo at different dpi's. When trying a new input dpi, steadfastly start with the original resolution file and do not use a version of the file you have erstwhile resampled. Every time an image file is resampled, it degrades the image quality more.
For more tips and telegram on photo enlargement of digital photos, view this page:
The tip in this signature is intended for those who use standard image processing and printing systems. Highly educated digital processing and photo enlargement software systems such as the systems we use can yield much larger photo print sizes while maintaining impressive original image quality. |
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