Serene Life

by garik

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23
votes
5answers
3k views

Is there any practical difference between saving at 300ppi or 72ppi?

I often see statements in discussions about web displayed image quality that go something like this: "I only upload pictures at 72 dpi and 1200 pixels on the long edge, so if someone copies and prints ...
-1
votes
2answers
273 views

How to reduce the image resolution to increase ppi?

Having an photo of 4000x3000 resolution with 240ppi. Is it possible get a resolution of 400x300 resolution but with higher ppi?If possible how to do that?
3
votes
1answer
823 views

Lightroom Exporting for web optimum settings

When exporting a batch of photos in LR you get a variety of options. For photos that are going to be eventually printed I would think that the highest resolution and 300ppi would be a good starting ...
3
votes
3answers
241 views

In what way will affordable high density displays affect photography?

The last 6 months have been quite revolutionary for the display technology with the new iPad & Retina Macbook Pro and their 200+ ppi displays that double the typical pixel densities. I have seen ...
32
votes
5answers
50k views

Is there a general formula for image size vs. print size?

What size images do I need for common print sizes, such as wallet size, 8x10, and 16x20? Is there a general formula? How could that size change if, for example, a 16x20 was printed on canvas rather ...